diff --git a/extensions/goat-exercises/goat-exercise-lua.lua b/extensions/goat-exercises/goat-exercise-lua.lua
index 9af38635e1..cec8107ead 100755
--- a/extensions/goat-exercises/goat-exercise-lua.lua
+++ b/extensions/goat-exercises/goat-exercise-lua.lua
@@ -136,7 +136,7 @@ end
 Goat:class('Exercise', Gimp.PlugIn)
 
 function Goat.Exercise:do_query_procedures()
-  return { 'goat-exercise-lua' }
+  return { 'plug-in-goat-exercise-lua' }
 end
 
 function Goat.Exercise:do_create_procedure(name)
diff --git a/extensions/goat-exercises/goat-exercise-py3.py b/extensions/goat-exercises/goat-exercise-py3.py
index be54f86255..89552c5b68 100755
--- a/extensions/goat-exercises/goat-exercise-py3.py
+++ b/extensions/goat-exercises/goat-exercise-py3.py
@@ -36,7 +36,7 @@ class Goat (Gimp.PlugIn):
         self.set_translation_domain("gimp30-python",
                                     Gio.file_new_for_path(Gimp.locale_directory()))
 
-        return [ "goat-exercise-python" ]
+        return [ "plug-in-goat-exercise-python" ]
 
     def do_create_procedure(self, name):
         procedure = Gimp.ImageProcedure.new(self, name,