diff --git a/src/timetable_cmd.cpp b/src/timetable_cmd.cpp
--- a/src/timetable_cmd.cpp
+++ b/src/timetable_cmd.cpp
@@ -31,7 +31,9 @@ static void ChangeTimetable(Vehicle *v, 
 		}
 	}
 
-	InvalidateWindow(WC_VEHICLE_TIMETABLE, v->index);
+	for (v = GetFirstVehicleFromSharedList(v); v != NULL; v = v->next_shared) {
+		InvalidateWindow(WC_VEHICLE_TIMETABLE, v->index);
+	}
 }
 
 /**
@@ -134,6 +136,10 @@ CommandCost CmdAutofillTimetable(TileInd
 		}
 	}
 
+	for (v = GetFirstVehicleFromSharedList(v); v != NULL; v = v->next_shared) {
+		InvalidateWindow(WC_VEHICLE_TIMETABLE, v->index);
+	}
+
 	return CommandCost();
 }
 
@@ -178,5 +184,7 @@ void UpdateVehicleTimetable(Vehicle *v, 
 
 	v->lateness_counter -= (timetabled - time_taken);
 
-	InvalidateWindow(WC_VEHICLE_TIMETABLE, v->index);
+	for (v = GetFirstVehicleFromSharedList(v); v != NULL; v = v->next_shared) {
+		InvalidateWindow(WC_VEHICLE_TIMETABLE, v->index);
+	}
 }