diff --git a/Telegram/SourceFiles/core/sandbox.cpp b/Telegram/SourceFiles/core/sandbox.cpp
index ceed570114..105c9aa9ff 100644
--- a/Telegram/SourceFiles/core/sandbox.cpp
+++ b/Telegram/SourceFiles/core/sandbox.cpp
@@ -209,7 +209,11 @@ void Sandbox::setupScreenScale() {
 			LOG(("Environmental variables: QT_SCREEN_SCALE_FACTORS='%1'").arg(qEnvironmentVariable("QT_SCREEN_SCALE_FACTORS")));
 		}
 		style::SetDevicePixelRatio(int(ratio));
-		cSetScreenScale(style::kScaleDefault);
+		if (Platform::IsMac() && ratio == 2.) {
+			cSetScreenScale(120); // 120% for Retina screens by default.
+		} else {
+			cSetScreenScale(style::kScaleDefault);
+		}
 	}
 }