@@ -111,9 +111,13 @@
 	mesh = 'sorcery-coinpress.obj';
 	sunlight_propagates = true;
 	paramtype = 'light';
 	paramtype2 = 'facedir';
-	groups = { cracky = 2; oddly_breakable_by_hand = 3; sorcery_metallurgy = 1};
+	groups = {
+		cracky = 2;
+		oddly_breakable_by_hand = 3; sorcery_metallurgy = 1;
+		sorcery_tech = 1;
+	};
 	tiles = {
 		'default_wood.png';
 		'default_stone.png';
 		'default_copper_block.png';