diff --git a/mkspecs/macx-clang-32/Info.plist.app b/mkspecs/macx-clang-32/Info.plist.app
index fd737cb8cc..b822c2851f 100644
--- a/mkspecs/macx-clang-32/Info.plist.app
+++ b/mkspecs/macx-clang-32/Info.plist.app
@@ -2,6 +2,8 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
 	<key>CFBundleIconFile</key>
 	<string>@ICON@</string>
 	<key>CFBundlePackageType</key>
diff --git a/mkspecs/macx-clang/Info.plist.app b/mkspecs/macx-clang/Info.plist.app
index fd737cb8cc..b822c2851f 100644
--- a/mkspecs/macx-clang/Info.plist.app
+++ b/mkspecs/macx-clang/Info.plist.app
@@ -2,6 +2,8 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
 	<key>CFBundleIconFile</key>
 	<string>@ICON@</string>
 	<key>CFBundlePackageType</key>
diff --git a/mkspecs/macx-g++-32/Info.plist.app b/mkspecs/macx-g++-32/Info.plist.app
index fd737cb8cc..b822c2851f 100644
--- a/mkspecs/macx-g++-32/Info.plist.app
+++ b/mkspecs/macx-g++-32/Info.plist.app
@@ -2,6 +2,8 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
 	<key>CFBundleIconFile</key>
 	<string>@ICON@</string>
 	<key>CFBundlePackageType</key>
diff --git a/mkspecs/macx-g++/Info.plist.app b/mkspecs/macx-g++/Info.plist.app
index fd737cb8cc..b822c2851f 100644
--- a/mkspecs/macx-g++/Info.plist.app
+++ b/mkspecs/macx-g++/Info.plist.app
@@ -2,6 +2,8 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
 	<key>CFBundleIconFile</key>
 	<string>@ICON@</string>
 	<key>CFBundlePackageType</key>
diff --git a/mkspecs/macx-g++40/Info.plist.app b/mkspecs/macx-g++40/Info.plist.app
index fd737cb8cc..b822c2851f 100644
--- a/mkspecs/macx-g++40/Info.plist.app
+++ b/mkspecs/macx-g++40/Info.plist.app
@@ -2,6 +2,8 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
 	<key>CFBundleIconFile</key>
 	<string>@ICON@</string>
 	<key>CFBundlePackageType</key>
diff --git a/mkspecs/macx-g++42/Info.plist.app b/mkspecs/macx-g++42/Info.plist.app
index fd737cb8cc..b822c2851f 100644
--- a/mkspecs/macx-g++42/Info.plist.app
+++ b/mkspecs/macx-g++42/Info.plist.app
@@ -2,6 +2,8 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
 	<key>CFBundleIconFile</key>
 	<string>@ICON@</string>
 	<key>CFBundlePackageType</key>
diff --git a/mkspecs/macx-llvm/Info.plist.app b/mkspecs/macx-llvm/Info.plist.app
index fd737cb8cc..b822c2851f 100644
--- a/mkspecs/macx-llvm/Info.plist.app
+++ b/mkspecs/macx-llvm/Info.plist.app
@@ -2,6 +2,8 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
 	<key>CFBundleIconFile</key>
 	<string>@ICON@</string>
 	<key>CFBundlePackageType</key>
diff --git a/mkspecs/macx-pbuilder/Info.plist.app b/mkspecs/macx-pbuilder/Info.plist.app
index fd737cb8cc..b822c2851f 100755
--- a/mkspecs/macx-pbuilder/Info.plist.app
+++ b/mkspecs/macx-pbuilder/Info.plist.app
@@ -2,6 +2,8 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
 	<key>CFBundleIconFile</key>
 	<string>@ICON@</string>
 	<key>CFBundlePackageType</key>
diff --git a/mkspecs/macx-xcode/Info.plist.app b/mkspecs/macx-xcode/Info.plist.app
index fd737cb8cc..b822c2851f 100755
--- a/mkspecs/macx-xcode/Info.plist.app
+++ b/mkspecs/macx-xcode/Info.plist.app
@@ -2,6 +2,8 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
 	<key>CFBundleIconFile</key>
 	<string>@ICON@</string>
 	<key>CFBundlePackageType</key>