diff --git a/extra/sequences/squish/squish-tests.factor b/extra/sequences/squish/squish-tests.factor
index 21c8864974..6697ea7c92 100644
--- a/extra/sequences/squish/squish-tests.factor
+++ b/extra/sequences/squish/squish-tests.factor
@@ -1,8 +1,8 @@
 ! (c)2009 Slava Pestov & Joe Groff, see BSD license
-USING: kernel sequences sequences.squish strings tools.test ;
+USING: kernel sequences sequences.squish tools.test vectors ;
 IN: sequences.squish.tests
 
 [ { { 1 2 3 } { 4 } { 5 6 } } ] [
     V{ { 1 2 3 } V{ { 4 } { 5 6 } } }  
-    [ vector? ] { } squish ;
+    [ vector? ] { } squish
 ] unit-test