diff --git a/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/primaryKeyHelper.js b/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/primaryKeyHelper.js
index fe04b99..624abfd 100644
--- a/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/primaryKeyHelper.js
+++ b/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/primaryKeyHelper.js
@@ -50,7 +50,7 @@ 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 8ef5637..9c4844e 100644
--- a/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/uniqueKeyHelper.js
+++ b/forward_engineering/alterScript/alterScriptHelpers/entityHelpers/uniqueKeyHelper.js
@@ -50,7 +50,7 @@ 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) {