diff --git a/src/newgrf_canal.cpp b/src/newgrf_canal.cpp
--- a/src/newgrf_canal.cpp
+++ b/src/newgrf_canal.cpp
@@ -10,6 +10,7 @@
 #include "newgrf_commons.h"
 #include "newgrf_spritegroup.h"
 #include "newgrf_canal.h"
+#include "tile_map.h"
 
 
 /** Table of canal 'feature' sprite groups */