diff --git a/packages/mermaid/src/diagrams/common/common.spec.js b/packages/mermaid/src/diagrams/common/common.spec.js
index 3ebe8b1d6..8fd6229da 100644
--- a/packages/mermaid/src/diagrams/common/common.spec.js
+++ b/packages/mermaid/src/diagrams/common/common.spec.js
@@ -69,5 +69,6 @@ describe('generic parser', function () {
       'test <Array<Array<string[]>>>'
     );
     expect(parseGenericTypes('~test')).toEqual('~test');
+    expect(parseGenericTypes('~test Array~string~')).toEqual('~test Array<string>');
   });
 });