diff --git a/basis/ui/images/images.factor b/basis/ui/images/images.factor
index 236cd683a9..b97a5c14fe 100755
--- a/basis/ui/images/images.factor
+++ b/basis/ui/images/images.factor
@@ -2,7 +2,7 @@
 ! See http://factorcode.org/license.txt for BSD license.
 USING: namespaces cache images images.loader accessors assocs
 kernel opengl opengl.gl opengl.textures ui.gadgets.worlds
-memoize images.png ;
+memoize images.png images.tiff ;
 IN: ui.images
 
 TUPLE: image-name path ;