diff --git a/makepanda/makepanda.py b/makepanda/makepanda.py
index 85f6282af7..3657a8a854 100755
--- a/makepanda/makepanda.py
+++ b/makepanda/makepanda.py
@@ -115,7 +115,7 @@ def usage(problem):
     print ""
     print "  makepanda --everything"
     print ""
-    os._exit(0)
+    os._exit(1)
 
 def parseopts(args):
     global INSTALLER,RTDIST,RUNTIME,GENMAN,DISTRIBUTOR