diff --git a/sonoff/language/en-GB.h b/sonoff/language/en-GB.h
index 925080d3d..48641d0ff 100644
--- a/sonoff/language/en-GB.h
+++ b/sonoff/language/en-GB.h
@@ -537,7 +537,7 @@
 #define D_UNIT_HOUR "Hr"
 #define D_UNIT_INCREMENTS "inc"
 #define D_UNIT_KILOGRAM "kg"
-#define D_UNIT_KILOMETER_PER_HOUR "kmph"  // or "km/h"
+#define D_UNIT_KILOMETER_PER_HOUR "km/h"  // or "km/h"
 #define D_UNIT_KILOOHM "kOhm"
 #define D_UNIT_KILOWATTHOUR "kWh"
 #define D_UNIT_LUX "lx"