diff --git a/src/ui/flutter_app/lib/mill/position.dart b/src/ui/flutter_app/lib/mill/position.dart
index 5e6415c6..33ab1f9c 100644
--- a/src/ui/flutter_app/lib/mill/position.dart
+++ b/src/ui/flutter_app/lib/mill/position.dart
@@ -672,7 +672,7 @@ class Position {
     pieceToRemoveCount--;
     updateKeyMisc();
 
-    if (pieceToRemoveCount > 0) {
+    if (pieceToRemoveCount != 0) {
       return 0;
     }