diff -r a299cab0927e -r 64d2f7d5f02b unmovable_cmd.c
--- a/unmovable_cmd.c	Tue Jan 04 17:04:10 2005 +0000
+++ b/unmovable_cmd.c	Tue Jan 04 17:11:03 2005 +0000
@@ -318,6 +318,8 @@
 	int score;
 	int32 cost = 0;
 
+	SET_EXPENSES_TYPE(EXPENSES_PROPERTY);
+
 	if (CheckFlatLandBelow(tile, 2, 2, flags, 0, NULL) == CMD_ERROR)
 		return CMD_ERROR;
 
@@ -361,6 +363,8 @@
 	uint tile = TILE_FROM_XY(x,y);
 	Player *p;
 
+	SET_EXPENSES_TYPE(EXPENSES_PROPERTY);
+
 	if ((int)p1 != OWNER_WATER)	// destruction was initiated by player
 		p = DEREF_PLAYER((byte)p1);
 	else {	// find player that has HQ flooded, and reset their location_of_house