diff --git a/src/rail_gui.cpp b/src/rail_gui.cpp
index 636f5e6c2b..7f5586b1e1 100644
--- a/src/rail_gui.cpp
+++ b/src/rail_gui.cpp
@@ -241,7 +241,7 @@ static void GenericPlaceSignals(TileIndex tile)
 		Command<CMD_REMOVE_SINGLE_SIGNAL>::Post(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM, CcPlaySound_CONSTRUCTION_RAIL, tile, track);
 	} else {
 		/* Which signals should we cycle through? */
-		bool tile_has_signal = IsValidTrack(track) && HasSignalOnTrack(tile, track);
+		bool tile_has_signal = IsPlainRailTile(tile) && IsValidTrack(track) && HasSignalOnTrack(tile, track);
 		SignalType cur_signal_on_tile = tile_has_signal ? GetSignalType(tile, track) : _cur_signal_type;
 		SignalType cycle_start;
 		SignalType cycle_end;