diff --git a/kitty/keys.py b/kitty/keys.py
index 182b567a1..a74041e73 100644
--- a/kitty/keys.py
+++ b/kitty/keys.py
@@ -35,8 +35,8 @@ SHIFTED_KEYS = {
     defines.GLFW_KEY_RIGHT: key_as_bytes('kRIT'),
 }
 
-control_codes = {k: 1 + i for i, k in enumerate(range(defines.GLFW_KEY_A, defines.GLFW_KEY_RIGHT_BRACKET))}
-alt_codes = {k: (0x1b, k) for i, k in enumerate(range(defines.GLFW_KEY_A, defines.GLFW_KEY_RIGHT_BRACKET))}
+control_codes = {k: 1 + i for i, k in enumerate(range(defines.GLFW_KEY_SPACE, defines.GLFW_KEY_RIGHT_BRACKET))}
+alt_codes = {k: (0x1b, k) for i, k in enumerate(range(defines.GLFW_KEY_SPACE, defines.GLFW_KEY_RIGHT_BRACKET))}
 
 
 def interpret_key_event(key, scancode, mods):