diff --git a/Telegram/SourceFiles/_other/updater_osx.m b/Telegram/SourceFiles/_other/updater_osx.m
index b531fb76d..293bf4e35 100644
--- a/Telegram/SourceFiles/_other/updater_osx.m
+++ b/Telegram/SourceFiles/_other/updater_osx.m
@@ -64,11 +64,17 @@ int main(int argc, const char * argv[]) {
 	if (!path) {
 		return -1;
 	}
-	NSRange range = [path rangeOfString:appName options:NSBackwardsSearch];
+	NSRange range = [path rangeOfString:@".app/" options:NSBackwardsSearch];
 	if (range.location == NSNotFound) {
 		return -1;
 	}
-	appDir = [path substringToIndex:range.location > 0 ? range.location : 0];
+	path = [path substringToIndex:range.location > 0 ? range.location : 0];
+
+	range = [path rangeOfString:@"/" options:NSBackwardsSearch];
+	NSString *appRealName = (range.location == NSNotFound) ? path : [path substringFromIndex:range.location + 1];
+	appRealName = [[NSArray arrayWithObjects:appRealName, @".app", nil] componentsJoinedByString:@""];
+	appDir = (range.location == NSNotFound) ? @"" : [path substringToIndex:range.location + 1];
+	NSString *appDirFull = [appDir stringByAppendingString:appRealName];
 
 	openLog();
 	pid_t procId = 0;
@@ -144,11 +150,12 @@ int main(int argc, const char * argv[]) {
 				break;
 			}
 			NSString *pathPart = [srcPath substringFromIndex:r.length];
-			if ([pathPart rangeOfString:appName].location != 0) {
+			r = [pathPart rangeOfString:appName];
+			if (r.location != 0) {
 				writeLog([@"Skipping not app file " stringByAppendingString:srcPath]);
 				continue;
 			}
-			NSString *dstPath = [appDir stringByAppendingString:pathPart];
+			NSString *dstPath = [appDirFull stringByAppendingString:[pathPart substringFromIndex:r.length]];
 			NSError *error;
 			NSNumber *isDirectory = nil;
 			writeLog([[NSArray arrayWithObjects: @"Copying file ", srcPath, @" to ", dstPath, nil] componentsJoinedByString:@""]);
@@ -180,7 +187,7 @@ int main(int argc, const char * argv[]) {
 		delFolder();
 	}
 
-	NSString *appPath = [[NSArray arrayWithObjects:appDir, appName, nil] componentsJoinedByString:@""];
+	NSString *appPath = [[NSArray arrayWithObjects:appDir, appRealName, nil] componentsJoinedByString:@""];
 	NSMutableArray *args = [[NSMutableArray alloc] initWithObjects:@"-noupdate", nil];
 	if (toSettings) [args addObject:@"-tosettings"];
 	if (_debug) [args addObject:@"-debug"];
diff --git a/Telegram/SourceFiles/pspecific_linux.cpp b/Telegram/SourceFiles/pspecific_linux.cpp
index a8b7a1e57..6342bcae9 100644
--- a/Telegram/SourceFiles/pspecific_linux.cpp
+++ b/Telegram/SourceFiles/pspecific_linux.cpp
@@ -800,13 +800,23 @@ QString psCurrentExeDirectory(int argc, char *argv[]) {
     if (!first.isEmpty()) {
         QFileInfo info(first);
         if (info.exists()) {
-            QDir result(info.absolutePath());
-            return result.absolutePath() + '/';
+            return QDir(info.absolutePath()).absolutePath() + '/';
         }
     }
 	return QString();
 }
 
+QString psCurrentExeName(int argc, char *argv[]) {
+	QString first = argc ? QString::fromLocal8Bit(argv[0]) : QString();
+	if (!first.isEmpty()) {
+		QFileInfo info(first);
+		if (info.exists()) {
+			return info.fileName();
+		}
+	}
+	return QString();
+}
+
 void psDoCleanup() {
 	try {
 		psAutoStart(false, true);
diff --git a/Telegram/SourceFiles/pspecific_linux.h b/Telegram/SourceFiles/pspecific_linux.h
index af64d15b2..e1411a025 100644
--- a/Telegram/SourceFiles/pspecific_linux.h
+++ b/Telegram/SourceFiles/pspecific_linux.h
@@ -167,6 +167,7 @@ QString psCurrentLanguage();
 QString psAppDataPath();
 QString psDownloadPath();
 QString psCurrentExeDirectory(int argc, char *argv[]);
+QString psCurrentExeName(int argc, char *argv[]);
 void psAutoStart(bool start, bool silent = false);
 void psSendToMenu(bool send, bool silent = false);
 
diff --git a/Telegram/SourceFiles/pspecific_mac.cpp b/Telegram/SourceFiles/pspecific_mac.cpp
index 547bad9d7..bc390b097 100644
--- a/Telegram/SourceFiles/pspecific_mac.cpp
+++ b/Telegram/SourceFiles/pspecific_mac.cpp
@@ -984,13 +984,23 @@ QString psCurrentExeDirectory(int argc, char *argv[]) {
     if (!first.isEmpty()) {
         QFileInfo info(first);
         if (info.exists()) {
-            QDir result(info.absolutePath() + qsl("/../../.."));
-            return result.absolutePath() + '/';
+            return QDir(info.absolutePath() + qsl("/../../..")).absolutePath() + '/';
         }
     }
 	return QString();
 }
 
+QString psCurrentExeName(int argc, char *argv[]) {
+	QString first = argc ? QString::fromLocal8Bit(argv[0]) : QString();
+	if (!first.isEmpty()) {
+		QFileInfo info(first);
+		if (info.exists()) {
+			return QDir(QDir(info.absolutePath() + qsl("/../..")).absolutePath()).dirName();
+		}
+	}
+	return QString();
+}
+
 void psDoCleanup() {
 	try {
 		psAutoStart(false, true);
@@ -1042,11 +1052,11 @@ bool psCheckReadyUpdate() {
 	}
 
 #ifdef Q_OS_WIN
-	QString curUpdater = (cExeDir() + "Updater.exe");
-	QFileInfo updater(cWorkingDir() + "tupdates/ready/Updater.exe");
+	QString curUpdater = (cExeDir() + qsl("Updater.exe"));
+	QFileInfo updater(cWorkingDir() + qsl("tupdates/ready/Updater.exe"));
 #elif defined Q_OS_MAC
-	QString curUpdater = (cExeDir() + "Telegram.app/Contents/Frameworks/Updater");
-	QFileInfo updater(cWorkingDir() + "tupdates/ready/Telegram.app/Contents/Frameworks/Updater");
+	QString curUpdater = (cExeDir() + cExeName() + qsl("/Contents/Frameworks/Updater"));
+	QFileInfo updater(cWorkingDir() + qsl("tupdates/ready/Telegram.app/Contents/Frameworks/Updater"));
 #endif
 	if (!updater.exists()) {
 		QFileInfo current(curUpdater);
@@ -1069,8 +1079,8 @@ bool psCheckReadyUpdate() {
 		return false;
     }
 #elif defined Q_OS_MAC
-	QFileInfo to(curUpdater);
-	QDir().mkpath(to.absolutePath());
+	QDir().mkpath(QFileInfo(curUpdater).absolutePath());
+	DEBUG_LOG(("Update Info: moving %1 to %2..").arg(updater.absoluteFilePath()).arg(curUpdater));
 	if (!objc_moveFile(updater.absoluteFilePath(), curUpdater)) {
 		PsUpdateDownloader::clearAll();
 		return false;
diff --git a/Telegram/SourceFiles/pspecific_mac.h b/Telegram/SourceFiles/pspecific_mac.h
index 8bfaa4f2c..c0845fc0e 100644
--- a/Telegram/SourceFiles/pspecific_mac.h
+++ b/Telegram/SourceFiles/pspecific_mac.h
@@ -200,6 +200,7 @@ QString psCurrentLanguage();
 QString psAppDataPath();
 QString psDownloadPath();
 QString psCurrentExeDirectory(int argc, char *argv[]);
+QString psCurrentExeName(int argc, char *argv[]);
 void psAutoStart(bool start, bool silent = false);
 void psSendToMenu(bool send, bool silent = false);
 
diff --git a/Telegram/SourceFiles/pspecific_wnd.cpp b/Telegram/SourceFiles/pspecific_wnd.cpp
index 6912b252e..11ba71827 100644
--- a/Telegram/SourceFiles/pspecific_wnd.cpp
+++ b/Telegram/SourceFiles/pspecific_wnd.cpp
@@ -1966,6 +1966,20 @@ QString psCurrentExeDirectory(int argc, char *argv[]) {
 	return QString();
 }
 
+QString psCurrentExeName(int argc, char *argv[]) {
+	LPWSTR *args;
+	int argsCount;
+	args = CommandLineToArgvW(GetCommandLine(), &argsCount);
+	if (args) {
+		QFileInfo info(QDir::fromNativeSeparators(QString::fromWCharArray(args[0])));
+		if (info.isFile()) {
+			return info.fileName();
+		}
+		LocalFree(args);
+	}
+	return QString();
+}
+
 void psDoCleanup() {
 	try {
 		psAutoStart(false, true);
@@ -2077,8 +2091,8 @@ bool psCheckReadyUpdate() {
 		}
 	}
 
-	QString curUpdater = (cExeDir() + "Updater.exe");
-	QFileInfo updater(cWorkingDir() + "tupdates/ready/Updater.exe");
+	QString curUpdater = (cExeDir() + qsl("Updater.exe"));
+	QFileInfo updater(cWorkingDir() + qsl("tupdates/ready/Updater.exe"));
 	if (!updater.exists()) {
 		QFileInfo current(curUpdater);
 		if (!current.exists()) {
diff --git a/Telegram/SourceFiles/pspecific_wnd.h b/Telegram/SourceFiles/pspecific_wnd.h
index 5a8e97c1a..39f094bc1 100644
--- a/Telegram/SourceFiles/pspecific_wnd.h
+++ b/Telegram/SourceFiles/pspecific_wnd.h
@@ -178,6 +178,7 @@ QString psAppDataPath();
 QString psAppDataPathOld();
 QString psDownloadPath();
 QString psCurrentExeDirectory(int argc, char *argv[]);
+QString psCurrentExeName(int argc, char *argv[]);
 void psAutoStart(bool start, bool silent = false);
 void psSendToMenu(bool send, bool silent = false);
 
diff --git a/Telegram/SourceFiles/settings.cpp b/Telegram/SourceFiles/settings.cpp
index a3959e33c..387c7f5c1 100644
--- a/Telegram/SourceFiles/settings.cpp
+++ b/Telegram/SourceFiles/settings.cpp
@@ -23,7 +23,7 @@ bool gTestMode = false;
 bool gDebug = false;
 bool gManyInstance = false;
 QString gKeyFile;
-QString gWorkingDir, gExeDir;
+QString gWorkingDir, gExeDir, gExeName;
 
 QStringList gSendPaths;
 
@@ -106,6 +106,7 @@ void settingsParseArgs(int argc, char *argv[]) {
 	}
     memset_rand(&gInstance, sizeof(gInstance));
 	gExeDir = psCurrentExeDirectory(argc, argv);
+	gExeName = psCurrentExeName(argc, argv);
 	for (int32 i = 0; i < argc; ++i) {
 		if (string("-release") == argv[i]) {
 			gTestMode = false;
diff --git a/Telegram/SourceFiles/settings.h b/Telegram/SourceFiles/settings.h
index 9cd54f0ad..2e29bc90a 100644
--- a/Telegram/SourceFiles/settings.h
+++ b/Telegram/SourceFiles/settings.h
@@ -62,6 +62,7 @@ inline void cForceWorkingDir(const QString &newDir) {
 	QDir dir;
 	if (!gWorkingDir.isEmpty()) dir.mkpath(gWorkingDir);
 }
+DeclareReadSetting(QString, ExeName);
 DeclareReadSetting(QString, ExeDir);
 DeclareSetting(QString, DialogLastPath);
 DeclareSetting(QString, DialogHelperPath);
diff --git a/Telegram/Telegram.plist b/Telegram/Telegram.plist
index c5acc4123..9158401f3 100644
--- a/Telegram/Telegram.plist
+++ b/Telegram/Telegram.plist
@@ -7,7 +7,7 @@
 	<key>CFBundleGetInfoString</key>
 	<string>Telegram Desktop messaging app</string>
 	<key>CFBundleIdentifier</key>
-	<string>com.tdesktop.${PRODUCT_NAME:rfc1034identifier}</string>
+	<string>com.tdesktop.$(PRODUCT_NAME:rfc1034identifier)</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>