1 files changed, 1 insertions, 0 deletions
diff --git a/src/chess.h b/src/chess.h
index a83a13d..367100f 100755
--- a/src/chess.h
+++ b/src/chess.h
@@ -2413,6 +2413,7 @@ WeShouldTryNullmovePruning(IN SEARCHER_THREAD_CONTEXT *ctx,
                            IN SCORE iAlpha,
                            IN SCORE iBeta,
                            IN SCORE iRoughEval,
+                           IN SCORE iImprovement,
                            IN ULONG uNullDepth);
 
 FLAG