diff --git a/source/_components/switch.flux.markdown b/source/_components/switch.flux.markdown
index 25213c21180..b00a7f60132 100644
--- a/source/_components/switch.flux.markdown
+++ b/source/_components/switch.flux.markdown
@@ -37,8 +37,8 @@ switch:
     - light.desk
     - light.lamp
   name: Fluxer            # optional, default Flux
-  start_time: 7:00        # optional, default sunrise
-  stop_time: 23:00        # optional, default 22:00
+  start_time: '7:00'        # optional, default sunrise
+  stop_time: '23:00'        # optional, default 22:00
   start_colortemp: 4000   # optional, default 4000
   sunset_colortemp: 3000  # optional, default 3000
   stop_colortemp: 1900    # optional, default 1900