diff --git a/src/script/public/Game/CreateGameLibrary/CostumPatternLogic.js b/src/script/public/Game/CreateGameLibrary/CostumPatternLogic.js
index 48df096..a78eba4 100644
--- a/src/script/public/Game/CreateGameLibrary/CostumPatternLogic.js
+++ b/src/script/public/Game/CreateGameLibrary/CostumPatternLogic.js
@@ -18,7 +18,7 @@ const CostumWinPattern = (PatternStructure, Fieldx, Fieldy) => {
     let stopCommand;
 
     if (lastIndexBoundary > 5) {
-        stepsOnIllegalBoundary = (lastIndexBoundary - lastIndex) + 1;
+        stepsOnIllegalBoundary = (lastIndex - (lastIndexBoundary - 5));
         stopCommand = (n - stepsOnIllegalBoundary) - 1;
 
     } else {