diff --git a/lib/polyfill/media_capabilities.js b/lib/polyfill/media_capabilities.js
index 537cc982f6..c6a17423e0 100644
--- a/lib/polyfill/media_capabilities.js
+++ b/lib/polyfill/media_capabilities.js
@@ -39,6 +39,7 @@ shaka.polyfill.MediaCapabilities = class {
     // Browsers.
     if (!shaka.util.Platform.isChromecast() &&
         !shaka.util.Platform.isApple() &&
+        !shaka.util.Platform.isPS4() &&
         !shaka.util.Platform.isPS5() &&
         navigator.mediaCapabilities) {
       shaka.log.info(
diff --git a/lib/util/platform.js b/lib/util/platform.js
index 2f2003d5e4..33892816d4 100644
--- a/lib/util/platform.js
+++ b/lib/util/platform.js
@@ -188,7 +188,8 @@ shaka.util.Platform = class {
   static isApple() {
     return !!navigator.vendor && navigator.vendor.includes('Apple') &&
         !shaka.util.Platform.isTizen() &&
-        !shaka.util.Platform.isEOS();
+        !shaka.util.Platform.isEOS() &&
+        !shaka.util.Platform.isPS4();
   }
 
   /**
@@ -204,6 +205,13 @@ shaka.util.Platform = class {
     return shaka.util.Platform.userAgentContains_('PlayStation 5');
   }
 
+  /**
+   * Check if the current platform is Playstation 4.
+   */
+  static isPS4() {
+    return shaka.util.Platform.userAgentContains_('PlayStation 4');
+  }
+
   /**
    * Returns a major version number for Safari, or Safari-based iOS browsers.
    *