--- a/mail/Makefile.in
+++ b/mail/Makefile.in
@@ -37,31 +37,34 @@
 
 DEPTH		= ..
 topsrcdir	= @top_srcdir@
 srcdir		= @srcdir@
 VPATH		= @srcdir@
 
 include $(topsrcdir)/config/config.mk
 
-DIRS		= base locales components extensions app 
+DIRS		= base locales components extensions
 
 #
 # Theme Selection
 #
 # Windows, GNOME/Linux    Qute
 # MacOS X                 Pinstripe
 #
 
 ifeq (cocoa,$(MOZ_WIDGET_TOOLKIT))
 DIRS += themes/pinstripe
 else
 DIRS += themes/qute
 endif
 
+# app is always last as it packages up the built files on mac
+DIRS += app
+
 include $(topsrcdir)/config/rules.mk
 
 ifeq ($(OS_ARCH),WINNT)
 ifdef MOZ_INSTALLER
 DIRS += installer/windows
 
 # For Windows build the uninstaller during the application build since the
 # uninstaller is included with the application for mar file generation.