diff --git a/packages/mermaid/src/diagram-api/diagram-orchestration.spec.ts b/packages/mermaid/src/diagram-api/diagram-orchestration.spec.ts
index 4c7fc142d..f08f32391 100644
--- a/packages/mermaid/src/diagram-api/diagram-orchestration.spec.ts
+++ b/packages/mermaid/src/diagram-api/diagram-orchestration.spec.ts
@@ -35,8 +35,11 @@ describe('diagram-orchestration', () => {
       { text: 'gitGraph', expected: 'gitGraph' },
       { text: 'stateDiagram', expected: 'state' },
       { text: 'stateDiagram-v2', expected: 'stateDiagram' },
-    ])('should $text be detected as $expected', ({ text, expected }) => {
-      expect(detectType(text)).toBe(expected);
-    });
+    ])(
+      'should $text be detected as $expected',
+      ({ text, expected }: { text: string; expected: string }) => {
+        expect(detectType(text)).toBe(expected);
+      }
+    );
   });
 });