diff --git a/servers/vm/vm.h b/servers/vm/vm.h
index ce4ab1616..85d218142 100644
--- a/servers/vm/vm.h
+++ b/servers/vm/vm.h
@@ -20,7 +20,7 @@
 
 /* VM behaviour */
 #define MEMPROTECT	0	/* Slab objects not mapped. Access with USE() */
-#define JUNKFREE	1	/* Fill freed pages with junk */
+#define JUNKFREE	0	/* Fill freed pages with junk */
 #define NONCONTIGUOUS	0	/* Make phys pages max. noncontiguous */
 
 /* How noisy are we supposed to be? */