diff --git a/soitool/new_module_dialog.py b/soitool/new_module_dialog.py
index ee9f2ee9ee01014c0b916788fbc8ad3318d3eaec..6f1927241c6d72cf8eb48bb068d849bc82683efc 100644
--- a/soitool/new_module_dialog.py
+++ b/soitool/new_module_dialog.py
@@ -20,11 +20,11 @@ from soitool.modules.module_base import ModuleBase
 class ModulePlaceholder(ModuleBase):
     """Dummy module used only to fill dialog with content while developing."""
 
-    def get_size(self):
+    def set_pos(self, pos):
         """Not used."""
         raise NotImplementedError
 
-    def set_pos(self, pos):
+    def get_size(self):
         """Not used."""
         raise NotImplementedError