diff --git a/src/search.c b/src/search.c
index 4cba415e..30c63bee 100644
--- a/src/search.c
+++ b/src/search.c
@@ -335,6 +335,8 @@ static int AlphaBeta(Thread *thread, Stack *ss, int alpha, int beta, Depth depth
         }
     }
 
+    (ss+1)->killer = NOMOVE;
+
     // Do a static evaluation for pruning considerations
     int eval = ss->staticEval =  inCheck           ? NOSCORE
                                : lastMoveNullMove  ? -(ss-1)->staticEval + 2 * Tempo