diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index 8a15808c2a..1fcdab0733 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -501,6 +501,7 @@ CommandCost CmdBuildSingleRail(TileIndex tile, DoCommandFlag flags, uint32 p1, u
 								}
 							}
 							roadtypes |= ROADTYPES_ROAD;
+							cost.AddCost(2 * _price[PR_BUILD_ROAD]);
 							break;
 
 						case ROADTYPES_ALL: