diff --git a/src/common/mapping/WebMapV2.js b/src/common/mapping/WebMapV2.js
index 145132f51..375d36636 100644
--- a/src/common/mapping/WebMapV2.js
+++ b/src/common/mapping/WebMapV2.js
@@ -191,7 +191,7 @@ export function createWebMapV2Extending(SuperClass, { MapManager, mapRepo }) {
         }
       } else {
         wkt = mapRepo.CRS.get(this.baseProjection).WKT
-        this._defineProj4(wkt);
+        this._defineProj4(wkt || projection);
         bounds = [
           mapInfo.extent.leftBottom.x,
           mapInfo.extent.leftBottom.y,
diff --git a/test/mapboxgl/mapping/WebMapV2Spec.js b/test/mapboxgl/mapping/WebMapV2Spec.js
index d63b1fa7c..84ed6031b 100644
--- a/test/mapboxgl/mapping/WebMapV2Spec.js
+++ b/test/mapboxgl/mapping/WebMapV2Spec.js
@@ -1443,7 +1443,6 @@ describe('mapboxgl_WebMapV2', () => {
       done();
     };
     datavizWebmap.on('mapcreatesucceeded', callback);
-    done();
   });
 
   it('updateOverlayLayer unique', (done) => {