diff --git qucs/Info.plist qucs/Info.plist
index 3dd1e0d..20d7d32 100644
--- qucs/Info.plist
+++ qucs/Info.plist
@@ -26,5 +26,7 @@
 	<string>@version@</string>
 	<key>CSResourcesFileMapped</key>
 	<true/>
+	 <key>NSHighResolutionCapable</key>
+    <true/>
 </dict>
 </plist>