1 files changed, 1 insertions, 1 deletions
diff --git a/ev.c b/ev.c
index 299ba00..cad6350 100644
--- a/ev.c
+++ b/ev.c
@@ -1463,7 +1463,7 @@ void
 ev_prepare_stop (EV_P_ struct ev_prepare *w)
 {
   ev_clear_pending (EV_A_ (W)w);
-  if (ev_is_active (w))
+  if (!ev_is_active (w))
     return;
 
   prepares [((W)w)->active - 1] = prepares [--preparecnt];