diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 8b017a5c..9a67a8e4 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -663,7 +663,7 @@ namespace {
         // Scale down bonus for candidate passers which need more than one
         // pawn push to become passed, or have a pawn in front of them.
         if (   !pos.pawn_passed(Us, s + Up)
-            || (pos.pieces(PAWN) & forward_file_bb(Us, s)))
+            || (pos.pieces(PAWN) & (s + Up)))
             bonus = bonus / 2;
 
         score += bonus + PassedFile[file_of(s)];