diff --git a/src/js/support.js b/src/js/support.js
index 59f27c3b..9257df13 100644
--- a/src/js/support.js
+++ b/src/js/support.js
@@ -70,25 +70,21 @@ const support = {
     // Related: http://www.leanbackplayer.com/test/h5mt.html
     mime(inputType) {
         const [mediaType] = inputType.split('/');
+        let type = inputType;
+
+        // Verify we're using HTML5 and there's no media type mismatch
         if (!this.isHTML5 || mediaType !== this.type) {
             return false;
         }
 
-        let type;
-        if (inputType && inputType.includes('codecs=')) {
-            // Use input directly
-            type = inputType;
-        } else if (inputType === 'audio/mpeg') {
-            // Skip codec
-            type = 'audio/mpeg;';
-        } else if (inputType in defaultCodecs) {
-            // Use codec
-            type = `${inputType}; codecs="${defaultCodecs[inputType]}"`;
+        // Add codec if required
+        if (Object.keys(defaultCodecs).includes(type)) {
+            type += `; codecs="${defaultCodecs[inputType]}"`;
         }
 
         try {
             return Boolean(type && this.media.canPlayType(type).replace(/no/, ''));
-        } catch (err) {
+        } catch (e) {
             return false;
         }
     },