diff --git a/packaging/osx/OpenRA.app/Contents/MacOS/OpenRA b/packaging/osx/OpenRA.app/Contents/MacOS/OpenRA
index 16d958c0a5..7c6567519d 100755
--- a/packaging/osx/OpenRA.app/Contents/MacOS/OpenRA
+++ b/packaging/osx/OpenRA.app/Contents/MacOS/OpenRA
@@ -5,4 +5,9 @@
 
 APP_PATH=`echo $0 | awk '{split($0,patharr,"/"); idx=1; while(patharr[idx+3] != "") { if (patharr[idx] != "/") {printf("%s/", patharr[idx]); idx++ }} }'`
 cd "$APP_PATH/Contents/Resources"
+
+if [ ! -e mods/ra/packages/redalert.mix ]; then
+osascript install_ra_mix.scpt
+else
 ./OpenRA
+fi
\ No newline at end of file
diff --git a/packaging/osx/OpenRA.app/Contents/Resources/install_ra_mix.scpt b/packaging/osx/OpenRA.app/Contents/Resources/install_ra_mix.scpt
new file mode 100644
index 0000000000..af57a2124a
Binary files /dev/null and b/packaging/osx/OpenRA.app/Contents/Resources/install_ra_mix.scpt differ
diff --git a/packaging/osx/package.sh b/packaging/osx/package.sh
index 8355b256df..6e1a7f2737 100755
--- a/packaging/osx/package.sh
+++ b/packaging/osx/package.sh
@@ -31,7 +31,7 @@ function patch_mono {
 
 # Force 32-bit build and set the pkg-config path for mono.pc
 export AS="as -arch i386"
-export CC="gcc -arch i386"
+export CC="gcc -arch i386 -mmacosx-version-min=10.5 -isysroot /Developer/SDKs/MacOSX10.5.sdk"
 export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/Library/Frameworks/Mono.framework/Versions/Current/lib/pkgconfig/
 
 # Package the server binary