diff --git a/Makefile b/Makefile
index e58ac807..1a6a50e2 100644
--- a/Makefile
+++ b/Makefile
@@ -165,8 +165,10 @@ app: distclean localbuild chmod
 appinstall:	app
 	mkdir -p dist/mnt
 	hdiutil attach -mountpoint dist/mnt dist/$(APPNAME)-$(VERSION).dmg
-	ls -la dist/mnt /Applications
-	-cp dist/mnt/$(APPNAME).app /Applications
+	ls -laR dist/mnt
+	-find / -name find_modules.py 2>/dev/null
+	-find / -name sip.py 2>/dev/null
+	-open -n dist/mnt/$(APPNAME).app
 	hdiutil detach dist/mnt
 
 # Build RPM installer with cx_Freeze