diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 952ac5847..498adfdb9 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -1080,7 +1080,7 @@ static void homeaxis(int axis) {
   }
 }
 #define HOMEAXIS(LETTER) homeaxis(LETTER##_AXIS)
-void refresh_cmd_timeout(void)
++void refresh_cmd_timeout(void)
 {
   previous_millis_cmd = millis();
 }