diff --git a/core/io/encodings/utf16n/utf16n-tests.factor b/core/io/encodings/utf16n/utf16n-tests.factor
index 9e3170156b..c76e090ae9 100644
--- a/core/io/encodings/utf16n/utf16n-tests.factor
+++ b/core/io/encodings/utf16n/utf16n-tests.factor
@@ -1,5 +1,5 @@
 USING: accessors alien.data io.encodings.utf16
-io.streams.byte-array kernel tools.test ;
+io.encodings.utf16n io.streams.byte-array kernel tools.test ;
 IN: io.encodings.utf16n.tests
 
 : correct-endian ( obj -- ? )