diff --git a/player/lua/defaults.lua b/player/lua/defaults.lua
index 523b649b8c..7cf06426ff 100644
--- a/player/lua/defaults.lua
+++ b/player/lua/defaults.lua
@@ -355,6 +355,7 @@ function mp.unobserve_property(cb)
     for prop_id, prop_cb in pairs(properties) do
         if cb == prop_cb then
             properties[prop_id] = nil
+            mp.raw_unobserve_property(prop_id)
         end
     end
 end