diff --git a/lib/dash/dash_parser.js b/lib/dash/dash_parser.js
index 169e49200b..7a3c28fa55 100644
--- a/lib/dash/dash_parser.js
+++ b/lib/dash/dash_parser.js
@@ -485,6 +485,11 @@ shaka.dash.DashParser = class {
       this.manifest_.variants = this.periodCombiner_.getVariants();
       this.manifest_.textStreams = this.periodCombiner_.getTextStreams();
       this.manifest_.imageStreams = this.periodCombiner_.getImageStreams();
+
+      // Re-filter the manifest.  This will check any configured restrictions on
+      // new variants, and will pass any new init data to DrmEngine to ensure
+      // that key rotation works correctly.
+      this.playerInterface_.filter(this.manifest_);
     }
 
     // Add text streams to correspond to closed captions.  This happens right