diff --git a/src/mtest.m b/src/mtest.m
index e000d2ff68bf18f0b0bd289209cee9cf261fa203..c2d62d057e438bea6b5476bdc2f6d263b09fd943 100644
--- a/src/mtest.m
+++ b/src/mtest.m
@@ -48,7 +48,7 @@ check = 1;
 if nargin<2 || isempty(fpath)
     fname = append_extension_if_needed(fname);
     fid = fopen(fname,'r');
-    [junk, FNAME, vessel] = fileparts(fname);
+    [~, FNAME, vessel] = fileparts(fname);
 else
     fname = append_extension_if_needed(fname);
     fid = fopen([fpath filesep fname],'r');