diff --git a/kitty/debug_config.py b/kitty/debug_config.py
index 68d2bb9c3..7ab07262e 100644
--- a/kitty/debug_config.py
+++ b/kitty/debug_config.py
@@ -45,8 +45,9 @@ def mod_to_names(mods: int) -> Iterator[str]:
         GLFW_MOD_ALT, GLFW_MOD_CAPS_LOCK, GLFW_MOD_CONTROL, GLFW_MOD_HYPER,
         GLFW_MOD_META, GLFW_MOD_NUM_LOCK, GLFW_MOD_SHIFT, GLFW_MOD_SUPER
     )
-    modmap = {'shift': GLFW_MOD_SHIFT, 'alt': GLFW_MOD_ALT, 'ctrl': GLFW_MOD_CONTROL, ('cmd' if is_macos else 'super'): GLFW_MOD_SUPER,
-              'hyper': GLFW_MOD_HYPER, 'meta': GLFW_MOD_META, 'num_lock': GLFW_MOD_NUM_LOCK, 'caps_lock': GLFW_MOD_CAPS_LOCK}
+    modmap = {'ctrl': GLFW_MOD_CONTROL, 'shift': GLFW_MOD_SHIFT, ('opt' if is_macos else 'alt'): GLFW_MOD_ALT,
+              ('cmd' if is_macos else 'super'): GLFW_MOD_SUPER, 'hyper': GLFW_MOD_HYPER, 'meta': GLFW_MOD_META,
+              'caps_lock': GLFW_MOD_CAPS_LOCK, 'num_lock': GLFW_MOD_NUM_LOCK}
     for name, val in modmap.items():
         if mods & val:
             yield name