diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -1250,7 +1250,7 @@ static void RestoreTrainReservation(Trai
  * @param text unused
  * @return the cost of this operation or an error
  */
-CommandCost CmdBuildRailStation(TileIndex tile_org, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdBuildRailStation(TileIndex tile_org, DoCommandFlag flags, uint32 p1, uint32 p2, const std::string &text)
 {
 	/* Unpack parameters */
 	RailType rt    = Extract<RailType, 0, 6>(p1);
@@ -1659,7 +1659,7 @@ CommandCost RemoveFromRailBaseStation(Ti
  * @param text unused
  * @return the cost of this operation or an error
  */
-CommandCost CmdRemoveFromRailStation(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdRemoveFromRailStation(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const std::string &text)
 {
 	TileIndex end = p1 == 0 ? start : p1;
 	if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
@@ -1693,7 +1693,7 @@ CommandCost CmdRemoveFromRailStation(Til
  * @param text unused
  * @return the cost of this operation or an error
  */
-CommandCost CmdRemoveFromRailWaypoint(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdRemoveFromRailWaypoint(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const std::string &text)
 {
 	TileIndex end = p1 == 0 ? start : p1;
 	if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
@@ -1832,7 +1832,7 @@ static CommandCost FindJoiningRoadStop(S
  * @param text Unused.
  * @return The cost of this operation or an error.
  */
-CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const std::string &text)
 {
 	bool type = HasBit(p2, 0);
 	bool is_drive_through = HasBit(p2, 1);
@@ -2082,7 +2082,7 @@ static CommandCost RemoveRoadStop(TileIn
  * @param text Unused.
  * @return The cost of this operation or an error.
  */
-CommandCost CmdRemoveRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdRemoveRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const std::string &text)
 {
 	uint8 width = (uint8)GB(p1, 0, 8);
 	uint8 height = (uint8)GB(p1, 8, 8);
@@ -2241,7 +2241,7 @@ void UpdateAirportsNoise()
  * @param text unused
  * @return the cost of this operation or an error
  */
-CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const std::string &text)
 {
 	StationID station_to_join = GB(p2, 16, 16);
 	bool reuse = (station_to_join != NEW_STATION);
@@ -2458,7 +2458,7 @@ static CommandCost RemoveAirport(TileInd
  * @param text unused
  * @return the cost of this operation or an error
  */
-CommandCost CmdOpenCloseAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdOpenCloseAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const std::string &text)
 {
 	if (!Station::IsValidID(p1)) return CMD_ERROR;
 	Station *st = Station::Get(p1);
@@ -2513,7 +2513,7 @@ static const byte _dock_h_chk[4] = { 1, 
  * @param text unused
  * @return the cost of this operation or an error
  */
-CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const std::string &text)
 {
 	StationID station_to_join = GB(p2, 16, 16);
 	bool reuse = (station_to_join != NEW_STATION);
@@ -3933,7 +3933,7 @@ static bool IsUniqueStationName(const st
  * @param text the new name or an empty string when resetting to the default
  * @return the cost of this operation or an error
  */
-CommandCost CmdRenameStation(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+CommandCost CmdRenameStation(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const std::string &text)
 {
 	Station *st = Station::GetIfValid(p1);
 	if (st == nullptr) return CMD_ERROR;
@@ -3941,7 +3941,7 @@ CommandCost CmdRenameStation(TileIndex t
 	CommandCost ret = CheckOwnership(st->owner);
 	if (ret.Failed()) return ret;
 
-	bool reset = StrEmpty(text);
+	bool reset = text.empty();
 
 	if (!reset) {
 		if (Utf8StringLength(text) >= MAX_LENGTH_STATION_NAME_CHARS) return CMD_ERROR;