diff --git a/src/filters/convolute_filter.class.js b/src/filters/convolute_filter.class.js
index 463a395ff93..deec6385997 100644
--- a/src/filters/convolute_filter.class.js
+++ b/src/filters/convolute_filter.class.js
@@ -230,7 +230,7 @@
     */
     retrieveShader: function(options) {
       var size = Math.sqrt(this.matrix.length);
-      var cacheKey = this.type + '_' + size + '_' + this.opaque ? 1 : 0;
+      var cacheKey = this.type + '_' + size + '_' + (this.opaque ? 1 : 0);
       var shaderSource = this.fragmentSource[cacheKey];
       if (!options.programCache.hasOwnProperty(cacheKey)) {
         options.programCache[cacheKey] = this.createProgram(options.context, shaderSource);
diff --git a/src/shapes/group.class.js b/src/shapes/group.class.js
index 46a2b9ae071..c134d53c310 100644
--- a/src/shapes/group.class.js
+++ b/src/shapes/group.class.js
@@ -72,7 +72,6 @@
       // we cannot change properties of objects.
       // Thus we need to set options to group without objects,
       isAlreadyGrouped && this.callSuper('initialize', options);
-
       this._objects = objects || [];
       for (var i = this._objects.length; i--; ) {
         this._objects[i].group = this;