diff --git a/muscript/src/main/java/io/gitlab/jfronny/muscript/ast/math/Minus.java b/muscript/src/main/java/io/gitlab/jfronny/muscript/ast/math/Minus.java
index 3b0c9d0..964a9e0 100644
--- a/muscript/src/main/java/io/gitlab/jfronny/muscript/ast/math/Minus.java
+++ b/muscript/src/main/java/io/gitlab/jfronny/muscript/ast/math/Minus.java
@@ -36,7 +36,8 @@ public class Minus extends NumberExpr {
             return new Minus(location, invS.inner, invM.inner);
         if (minuend instanceof Invert inv)
             return new Invert(location, new Plus(location, inv.inner, subtrahend)).optimize();
-        if (subtrahend instanceof Invert inv) return new Plus(location, minuend, inv.inner).optimize();
+        if (subtrahend instanceof Invert inv)
+            return new Plus(location, minuend, inv.inner).optimize();
         return new Minus(location, minuend, subtrahend);
     }