--- libguestfs-1.12.0/Makefile.in.orig	2011-07-21 10:53:28.852989803 +0100
+++ libguestfs-1.12.0/Makefile.in	2011-07-21 10:53:38.227163685 +0100
@@ -1873,7 +1873,7 @@
 # is NOT a substitute for proper testing!
 
 quickcheck:
-	./run test-tool/libguestfs-test-tool
+	./run test-tool/libguestfs-test-tool $(QUICKCHECK_TEST_TOOL_ARGS)
 bindist:
 	rm -rf $(BINTMPDIR)
 	mkdir $(BINTMPDIR)