--- a/dom/media/AutoplayPolicy.cpp
+++ b/dom/media/AutoplayPolicy.cpp
@@ -99,18 +99,19 @@ DefaultAutoplayBehaviour()
   }
   return prefValue;
 }
 
 static bool
 IsMediaElementAllowedToPlay(const HTMLMediaElement& aElement)
 {
   return ((aElement.Volume() == 0.0 || aElement.Muted()) &&
-          Preferences::GetBool("media.autoplay.allow-muted", true)) ||
-         IsWindowAllowedToPlay(aElement.OwnerDoc()->GetInnerWindow());
+           Preferences::GetBool("media.autoplay.allow-muted", true)) ||
+          IsWindowAllowedToPlay(aElement.OwnerDoc()->GetInnerWindow()) ||
+          (aElement.OwnerDoc()->MediaDocumentKind() == nsIDocument::MediaDocumentKind::Video);
 }
 
 /* static */ bool
 AutoplayPolicy::WouldBeAllowedToPlayIfAutoplayDisabled(const HTMLMediaElement& aElement)
 {
   return IsMediaElementAllowedToPlay(aElement);
 }