diff --git a/Mac/OSX/Makefile b/Mac/OSX/Makefile
index 0d2e55c..9b72ebb 100644
--- a/Mac/OSX/Makefile
+++ b/Mac/OSX/Makefile
@@ -48,8 +48,8 @@
 compileall=$(srcdir)/Lib/compileall.py
 bundlebuilder=$(srcdir)/Lib/plat-mac/bundlebuilder.py
 
-installapps: install_PythonLauncher install_Python install_BuildApplet \
-		install_PackageManager install_IDE install_IDLE
+installapps: install_PythonLauncher install_Python install_BuildApplet install_IDE \
+	install_IDLE install_PackageManager
 
 install_PythonLauncher:
 	cd $(srcdir)/Mac/OSX/PythonLauncher/PythonLauncher.pbproj ; \
@@ -104,18 +104,12 @@
 		echo PythonIDE needs the \"waste\" extension module; \
 		echo See Mac/OSX/README for details; \
 	else \
-		echo $(INSTALLED_PYTHONW) $(bundlebuilder) \
-			--builddir $(PYTHONAPPSDIR)/ \
-			--resource $(srcdir)/Mac/Tools/IDE/PythonIDE.rsrc \
-			--mainprogram $(srcdir)/Mac/Tools/IDE/PythonIDE.py \
-			--iconfile $(srcdir)/Mac/Tools/IDE/PythonIDE.icns \
-			--creator Pide build; \
-		$(INSTALLED_PYTHONW) $(bundlebuilder) \
-			--builddir $(PYTHONAPPSDIR)/ \
-			--resource $(srcdir)/Mac/Tools/IDE/PythonIDE.rsrc \
-			--mainprogram $(srcdir)/Mac/Tools/IDE/PythonIDE.py \
-			--iconfile $(srcdir)/Mac/Tools/IDE/PythonIDE.icns \
-			--creator Pide build; \
+		echo $(INSTALLED_PYTHONW) $(srcdir)/Mac/scripts/BuildApplet.py \
+			--output $(PYTHONAPPSDIR)/PythonIDE.app --noargv \
+			$(srcdir)/Mac/Tools/IDE/PythonIDE.py ; \
+		$(INSTALLED_PYTHONW) $(srcdir)/Mac/scripts/BuildApplet.py \
+			--output $(PYTHONAPPSDIR)/PythonIDE.app --noargv \
+			$(srcdir)/Mac/Tools/IDE/PythonIDE.py; \
 	fi
 
 install_PackageManager: $(INSTALLED_PYTHONW)