diff --git a/src/pawns.cpp b/src/pawns.cpp
index 24abec0c..7fcdded6 100644
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -151,7 +151,7 @@ namespace {
         // not attacked more times than defended.
         if (   !(stoppers ^ lever ^ leverPush)
             && !(ourPawns & forward_file_bb(Us, s))
-            && popcount(supported) >= popcount(lever)
+            && popcount(supported) >= popcount(lever) - 1
             && popcount(phalanx)   >= popcount(leverPush))
             e->passedPawns[Us] |= s;