diff --git a/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/modifyCollectionScript.js b/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/modifyCollectionScript.js
index b00859f..d6ffd43 100644
--- a/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/modifyCollectionScript.js
+++ b/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/modifyCollectionScript.js
@@ -145,13 +145,10 @@ const getModifyClusteringScriptDto =
 	({ collection, dbVersion }) => {
 		const compMod = _.get(collection, 'role.compMod', {});
 		const compositeClusteringKeys = _.get(compMod, 'compositeClusteringKey', {});
-		const oldCompositeClusteringKeys = compositeClusteringKeys.old;
-		const newCompositeClusteringKeys = compositeClusteringKeys.new;
+		const oldCompositeClusteringKeys = compositeClusteringKeys.old ?? [];
+		const newCompositeClusteringKeys = compositeClusteringKeys.new ?? [];
 
-		if (
-			!Array.isArray(newCompositeClusteringKeys) ||
-			_.isEqual(oldCompositeClusteringKeys, newCompositeClusteringKeys)
-		) {
+		if (_.isEqual(oldCompositeClusteringKeys, newCompositeClusteringKeys)) {
 			return;
 		}