diff --git a/core/src/avm2/globals/flash/display/bitmapdata.rs b/core/src/avm2/globals/flash/display/bitmapdata.rs
index 0414681ff..2aea6e672 100644
--- a/core/src/avm2/globals/flash/display/bitmapdata.rs
+++ b/core/src/avm2/globals/flash/display/bitmapdata.rs
@@ -198,6 +198,8 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     write.set_attributes(ClassAttributes::SEALED);
     write.set_instance_allocator(bitmapdata_allocator);
 
+    write.implements(QName::new(Namespace::package("flash.display"), "IBitmapDrawable").into());
+
     const PUBLIC_INSTANCE_PROPERTIES: &[(
         &str,
         Option<NativeMethodImpl>,
diff --git a/core/src/avm2/globals/flash/display/displayobject.rs b/core/src/avm2/globals/flash/display/displayobject.rs
index d6fb55e5c..33787e196 100644
--- a/core/src/avm2/globals/flash/display/displayobject.rs
+++ b/core/src/avm2/globals/flash/display/displayobject.rs
@@ -604,6 +604,8 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
         mc,
     ));
 
+    write.implements(QName::new(Namespace::package("flash.display"), "IBitmapDrawable").into());
+
     const PUBLIC_INSTANCE_PROPERTIES: &[(
         &str,
         Option<NativeMethodImpl>,