diff --git a/keyboard/_canonical_names.py b/keyboard/_canonical_names.py
index 2a4afe95..003fd3b8 100644
--- a/keyboard/_canonical_names.py
+++ b/keyboard/_canonical_names.py
@@ -36,7 +36,7 @@
     'ctrll lock': 'caps lock',
     'capslock': 'caps lock',
     'number lock': 'num lock',
-    'numlock:': 'num lock',
+    'numlock': 'num lock',
     'space bar': 'space',
     'spacebar': 'space',
     'linefeed': 'enter',
@@ -1243,4 +1243,4 @@ def normalize_name(name):
     if name != '_' and '_' in name:
         name = name.replace('_', ' ')
 
-    return canonical_names.get(name, name)
\ No newline at end of file
+    return canonical_names.get(name, name)