diff --git a/sensors/smartthings.yaml b/sensors/smartthings.yaml
index 7b5849f..f8808ad 100644
--- a/sensors/smartthings.yaml
+++ b/sensors/smartthings.yaml
@@ -1,7 +1,7 @@
 - platform: template
   sensors:
     garage_door:
-      unit_of_measurement: '%'
+      unit_of_measurement: ''
       value_template: >-
           {%- if is_state("cover.garage_door", "open") %}
                 Open