1 files changed, 2 insertions, 1 deletions
diff --git a/ev.c b/ev.c
index 132963c..75fc9b5 100644
--- a/ev.c
+++ b/ev.c
@@ -768,6 +768,7 @@ fd_rearm_all (EV_P)
  * the difference is about 5% with 50000+ watchers.
  */
 #define USE_4HEAP !EV_MINIMAL
+#define USE_4HEAP 1/* they do not work corretcly */
 #if USE_4HEAP
 
 #define DHEAP 4
@@ -783,7 +784,7 @@ upheap (WT *heap, int k)
     {
       int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0;
 
-      if (p >= HEAP0 || heap [p]->at <= w->at)
+      if (p == k || heap [p]->at <= w->at)
         break;
 
       heap [k] = heap [p];