diff --git a/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/primaryKeyHelper.js b/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/primaryKeyHelper.js
index 4d3933e..6a73380 100644
--- a/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/primaryKeyHelper.js
+++ b/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/primaryKeyHelper.js
@@ -84,7 +84,7 @@ const wasCompositePkChangedInTransitionFromCompositeToRegular = collection => {
 		return PrimaryKeyTransitionDto.noTransition();
 	}
 	const idOfPkColumn = idsOfColumns[0];
-	const newColumnJsonSchema = Object.values(collection.properties).find(
+	const newColumnJsonSchema = Object.values(collection.role.properties).find(
 		columnJsonSchema => columnJsonSchema.GUID === idOfPkColumn,
 	);
 	if (!newColumnJsonSchema) {
diff --git a/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/uniqueKeyHelper.js b/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/uniqueKeyHelper.js
index 6e1f2a2..7f1a5d4 100644
--- a/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/uniqueKeyHelper.js
+++ b/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/uniqueKeyHelper.js
@@ -87,7 +87,7 @@ const wasCompositeUniqueKeyChangedInTransitionFromCompositeToRegular = collectio
 		return UniqueKeyTransitionDto.noTransition();
 	}
 	const idOfUniqueKeyColumn = idsOfColumns[0];
-	const newColumnJsonSchema = Object.values(collection.properties).find(
+	const newColumnJsonSchema = Object.values(collection.role.properties).find(
 		columnJsonSchema => columnJsonSchema.GUID === idOfUniqueKeyColumn,
 	);
 	if (!newColumnJsonSchema) {