diff --git a/src/command_func.h b/src/command_func.h
--- a/src/command_func.h
+++ b/src/command_func.h
@@ -32,7 +32,7 @@ static const CommandCost CMD_ERROR = Com
  */
 #define return_cmd_error(errcode) return CommandCost(errcode);
 
-CommandCost DoCommand(TileIndex tile, uint32 p1, uint32 p2, DoCommandFlag flags, uint32 cmd, const std::string &text = {});
+CommandCost DoCommand(DoCommandFlag flags, uint32 cmd, TileIndex tile, uint32 p1, uint32 p2, const std::string &text = {});
 CommandCost DoCommand(const CommandContainer *container, DoCommandFlag flags);
 
 bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback = nullptr, const std::string &text = {}, bool my_cmd = true);