diff --git a/src/settings.cpp b/src/settings.cpp
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -833,7 +833,7 @@ static void UpdateConsists(int32 new_val
 }
 
 /* Check service intervals of vehicles, newvalue is value of % or day based servicing */
-static void UpdateServiceInterval(int32 new_value)
+static void UpdateAllServiceInterval(int32 new_value)
 {
 	bool update_vehicles;
 	VehicleDefaultSettings *vds;