diff --git a/src/js/captions.js b/src/js/captions.js
index 98d7d613..856baccf 100644
--- a/src/js/captions.js
+++ b/src/js/captions.js
@@ -154,7 +154,9 @@ const captions = {
     }
 
     // Enable or disable captions based on track length
-    toggleClass(this.elements.container, this.config.classNames.captions.enabled, !is.empty(tracks));
+    if (this.elements) {
+      toggleClass(this.elements.container, this.config.classNames.captions.enabled, !is.empty(tracks));
+    }
 
     // Update available languages in list
     if (
diff --git a/src/js/plyr.js b/src/js/plyr.js
index b40f5c5a..3c3036ba 100644
--- a/src/js/plyr.js
+++ b/src/js/plyr.js
@@ -675,7 +675,9 @@ class Plyr {
 
     // Set media speed
     setTimeout(() => {
-      this.media.playbackRate = speed;
+      if (this.media) {
+        this.media.playbackRate = speed;
+      }
     }, 0);
   }