diff --git a/src/lib/commands/add.c b/src/lib/commands/add.c
index 3d9fa859..fb37dea3 100644
--- a/src/lib/commands/add.c
+++ b/src/lib/commands/add.c
@@ -172,11 +172,12 @@ add(void)
 		sect.sct_defense = 0;
 		sect.sct_own = 0;
 		sect.sct_oldown = 0;
-		if (sect.sct_type != SCT_MOUNT &&
-		    sect.sct_type != SCT_PLAINS) {
-		    sect.sct_type = SCT_RURAL;
-		    sect.sct_newtype = SCT_RURAL;
-		}
+		if (sect.sct_type == SCT_BSPAN ||
+		    sect.sct_type == SCT_BTOWER)
+		    sect.sct_newtype = sect.sct_type = SCT_WATER;
+		else if (sect.sct_type != SCT_MOUNT &&
+		    sect.sct_type != SCT_PLAINS)
+		    sect.sct_newtype = sect.sct_type = SCT_RURAL;
 		/* No dist path */
 		sect.sct_dist_x = sect.sct_x;
 		sect.sct_dist_y = sect.sct_y;