diff --git a/tsconfig.spec.json b/tsconfig.spec.json
index b593cae319..05d55a31f8 100644
--- a/tsconfig.spec.json
+++ b/tsconfig.spec.json
@@ -14,6 +14,7 @@
   ],
   "include": [
     "src/**/*.spec.ts",
-    "src/**/*.d.ts"
-  ]
+    "src/**/*.d.ts",
+    "src/themes/**/*.module.ts"
+  ],
 }