diff --git a/src/items/tile.hpp b/src/items/tile.hpp
index 71f9d4ae09c..bf0c5519f41 100644
--- a/src/items/tile.hpp
+++ b/src/items/tile.hpp
@@ -256,7 +256,8 @@ class Tile : public Cylinder, public SharedObject {
 			resetTileFlags(ground);
 		}
 
-		if (ground = item) {
+		ground = item;
+		if (ground) {
 			setTileFlags(item);
 		}
 	}