@@ -1564,7 +1564,7 @@
 		this.refreshControls('transcript');
 	};
 
-	AblePlayer.prototype.getIcon = function( $button, id, forceImg ) {
+	AblePlayer.prototype.getIcon = function( $button, id, forceImg = false ) {
 		// Remove existing HTML before generating.
 		$button.find('svg, img, span:not(.able-clipped)').remove();
 		// iconData: [0 = svg viewbox, 1 = svg path, 2 = icon font class, 3 = image file]
@@ -1573,7 +1573,7 @@
 		if ( null === iconData[3] ) {
 			iconType = 'svg';
 		}
-		if ( forceImg ) {
+		if ( forceImg === true ) {
 			iconType = 'image';
 		}
 		if (iconType === 'font') {
 
@@ -294,7 +294,7 @@
 				svg[0] = '0 0 20 20';
 				svg[1] = 'M18.238 11.919c-1.049-1.817-0.418-4.147 1.409-5.205l-1.965-3.404c-0.562 0.329-1.214 0.518-1.911 0.518-2.1 0-3.803-1.714-3.803-3.828h-3.931c0.005 0.653-0.158 1.314-0.507 1.919-1.049 1.818-3.382 2.436-5.212 1.382l-1.965 3.404c0.566 0.322 1.056 0.793 1.404 1.396 1.048 1.815 0.42 4.139-1.401 5.2l1.965 3.404c0.56-0.326 1.209-0.513 1.902-0.513 2.094 0 3.792 1.703 3.803 3.808h3.931c-0.002-0.646 0.162-1.3 0.507-1.899 1.048-1.815 3.375-2.433 5.203-1.387l1.965-3.404c-0.562-0.322-1.049-0.791-1.395-1.391zM10 14.049c-2.236 0-4.050-1.813-4.050-4.049s1.813-4.049 4.050-4.049 4.049 1.813 4.049 4.049c-0 2.237-1.813 4.049-4.049 4.049z';
 				svg[2] = 'icon-preferences';
-				svg[3] = this.preferencesButtonImg;
+				svg[3] = this.prefsButtonImg;
 				break;
 
 			case 'close':