diff --git a/src/js/DefaultRules.js b/src/js/DefaultRules.js
index bf1cc66e603d3d841e02f36c772288db099843ce..2be10f42af25719beac240af7d229d475669a3c6 100644
--- a/src/js/DefaultRules.js
+++ b/src/js/DefaultRules.js
@@ -1724,7 +1724,7 @@ globalThis.DefaultRules = (function() {
 		if (rule.weight !== null || (rule.diet === "attractive") ) {
 			weightRule(slave, rule);
 		}
-		if ((rule.weight === null && rule.diet !== "attractive" && rule.muscles !== null) {
+		if (rule.weight === null && rule.diet !== "attractive" && rule.muscles !== null) {
 			muscleRule(slave, rule);
 		}
 		if (rule.weight === null && rule.muscles === null && (rule.diet !== undefined && rule.diet !== null && rule.diet !== "attractive")) {