diff --git a/doc/building-qmake.md b/doc/building-qmake.md
index 37f091331..ad86748b0 100644
--- a/doc/building-qmake.md
+++ b/doc/building-qmake.md
@@ -53,6 +53,7 @@ Preparation
       echo 'INCLUDEPATH += "/usr/lib/glib-2.0/include"'
       echo 'INCLUDEPATH += "/usr/lib/gtk-2.0/include"'
       echo 'INCLUDEPATH += "/usr/include/opus"'
++		echo 'LIBS += -lcrypto -lssl'
     ) >> "$srcdir/tdesktop/Telegram/Telegram.pro"
 
 Building