diff --git a/extra/mason/test/test.factor b/extra/mason/test/test.factor
index 11a15328fb..88ccf93942 100644
--- a/extra/mason/test/test.factor
+++ b/extra/mason/test/test.factor
@@ -1,10 +1,10 @@
 ! Copyright (C) 2008, 2009 Eduardo Cavazos, Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: accessors assocs benchmark bootstrap.stage2
-compiler.errors generic help.html help.lint io.directories
+USING: accessors assocs benchmark bootstrap.stage2 compiler.errors
+source-files.errors generic help.html help.lint io.directories
 io.encodings.utf8 io.files kernel mason.common math namespaces
-prettyprint sequences sets sorting tools.test tools.time
-tools.vocabs words system io tools.errors locals ;
+prettyprint sequences sets sorting tools.test tools.time tools.vocabs
+words system io tools.errors locals ;
 IN: mason.test
 
 : do-load ( -- )
@@ -20,7 +20,9 @@ M: word word-vocabulary vocabulary>> ;
 M: method-body word-vocabulary "method-generic" word-prop word-vocabulary ;
 
 :: do-step ( errors summary-file details-file -- )
-    errors [ file>> ] map prune natural-sort summary-file to-file
+    errors
+    [ error-type +linkage-error+ eq? not ] filter
+    [ file>> ] map prune natural-sort summary-file to-file
     errors details-file utf8 [ errors. ] with-file-writer ;
 
 : do-compile-errors ( -- )