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;
diff --git a/src/table/settings/company_settings.ini b/src/table/settings/company_settings.ini
--- a/src/table/settings/company_settings.ini
+++ b/src/table/settings/company_settings.ini
@@ -8,7 +8,7 @@
 ; company changes them, it changes for all players.
 
 [pre-amble]
-static void UpdateServiceInterval(int32 new_value);
+static void UpdateAllServiceInterval(int32 new_value);
 static bool CanUpdateServiceInterval(VehicleType type, int32 &new_value);
 static void UpdateServiceInterval(VehicleType type, int32 new_value);
 
@@ -77,7 +77,7 @@ var      = vehicle.servint_ispercent
 def      = false
 str      = STR_CONFIG_SETTING_SERVINT_ISPERCENT
 strhelp  = STR_CONFIG_SETTING_SERVINT_ISPERCENT_HELPTEXT
-post_cb  = UpdateServiceInterval
+post_cb  = UpdateAllServiceInterval
 
 [SDT_VAR]
 var      = vehicle.servint_trains