diff --git a/kmk/extensions/led.py b/kmk/extensions/led.py
index d4e021a..23b4622 100644
--- a/kmk/extensions/led.py
+++ b/kmk/extensions/led.py
@@ -42,7 +42,7 @@ class LED(Extension):
         except Exception as e:
             print(e)
             raise InvalidExtensionEnvironment(
-                f'Unable to create pwmio.PWMOut() instance with provided led_pin "{pin}"'
+                'Unable to create pwmio.PWMOut() instance with provided led_pin'
             )
 
         self._brightness = 0