diff --git a/maps/tsconfig.json b/maps/tsconfig.json
index 9a140744..22abe8d0 100644
--- a/maps/tsconfig.json
+++ b/maps/tsconfig.json
@@ -20,5 +20,8 @@
 
     "noImplicitReturns": true,                /* Report error when not all code paths in function return a value. */
     "noFallthroughCasesInSwitch": true        /* Report errors for fallthrough cases in switch statement. */
-  }
+  },
+  "include": [
+    "**/*.ts"
+  ]
 }