--- libev/ev.c	2010/10/24 19:15:52	1.362
+++ libev/ev.c	2010/10/24 19:38:20	1.363
@@ -1738,6 +1738,10 @@
 {
   int i;
 
+  /* mimic free (0) */
+  if (!EV_A)
+    return;
+
 #if EV_CLEANUP_ENABLE
   /* queue cleanup watchers (and execute them) */
   if (expect_false (cleanupcnt))