diff --git a/Makefile b/Makefile
index 9fb93c9c8..4db83837f 100644
--- a/Makefile
+++ b/Makefile
@@ -861,7 +861,7 @@ emacstags:
 	-@rm -f TAGS; hasktags -e $(SOURCEFILES) $(CABALFILES) $(WEBFILES) Makefile
 
 clean:
-	rm -rf `find . -name .virthualenv* -prune -o -name "*.o" -o -name "*.hi" -o -name "*~" -o -name "darcs-amend-record*" -o -name "*-darcs-backup*"`
+	rm -rf `find . -name "*.o" -o -name "*.hi" -o -name "*~" -o -name "darcs-amend-record*" -o -name "*-darcs-backup*" | grep -v .virthualenv`
 
 Clean: clean cleandocs
 	rm -f bin/hledger TAGS tags