diff --git a/src/sprites.h b/src/sprites.h
index 9dd8bec070..2a9cb5d9dc 100644
--- a/src/sprites.h
+++ b/src/sprites.h
@@ -34,6 +34,7 @@ enum {
 	SPR_HEARING_VIEWPORT = 5166,
 	SPR_LOCATE = 5167,
 	SPR_RENAME = 5168,
+	SPR_ROTATE_ARROW = 5169,
 
 	SPR_BUY_LAND_RIGHTS = 5176,
 	SPR_BUY_CONSTRUCTION_RIGHTS = 5177,