1 files changed, 1 insertions, 1 deletions
diff --git a/rail.h b/rail.h
index d756a3b87..975b0e76c 100644
--- a/rail.h
+++ b/rail.h
@@ -127,7 +127,7 @@ typedef struct RailtypeInfo {
 	byte custom_ground_offset;
 } RailtypeInfo;
 
-extern const RailtypeInfo _railtypes[RAILTYPE_END];
+extern RailtypeInfo _railtypes[RAILTYPE_END];
 
 // these are the maximums used for updating signal blocks, and checking if a depot is in a pbs block
 enum {