diff --git a/modules/renderer/background.js b/modules/renderer/background.js
index ffb4f6645..fcead675b 100644
--- a/modules/renderer/background.js
+++ b/modules/renderer/background.js
@@ -173,9 +173,9 @@ export function rendererBackground(context) {
         var mvt = context.layers().layer('mvt');
         if (mvt && mvt.enabled() && mvt.hasMvt()) {
             // Include a string like '.mvt data file' or '.geojson data file'
-            var match = mvt.getSrc().match(/(pbf|mvt|(?:geo)?json)$/i);
-            var extension = match ? ('.' + match[0].toLowerCase() + ' ') : '';
-            imageryUsed.push(extension + 'data file');
+            var matchmvt = mvt.getSrc().match(/(pbf|mvt|(?:geo)?json)$/i);
+            var extensionmvt = matchmvt ? ('.' + matchmvt[0].toLowerCase() + ' ') : '';
+            imageryUsed.push(extensionmvt + 'data file');
         }
 
         var mapillary_images = context.layers().layer('mapillary-images');
diff --git a/modules/svg/mvt.js b/modules/svg/mvt.js
index 43f984918..2be0302a5 100644
--- a/modules/svg/mvt.js
+++ b/modules/svg/mvt.js
@@ -132,7 +132,7 @@ export function svgMvt(projection, context, dispatch) {
         var tile = new vt.VectorTile(new Protobuf(x));
         var layers = Object.keys(tile.layers);
         if (!Array.isArray(layers))
-        layers = [layers]
+            layers = [layers];
 
         var collection = {type: 'FeatureCollection', features: []};