1 files changed, 1 insertions, 1 deletions
diff --git a/t/lib/io_linenum.t b/t/lib/io_linenum.t
index 3503215201..cf55c980ea 100755
--- a/t/lib/io_linenum.t
+++ b/t/lib/io_linenum.t
@@ -13,7 +13,7 @@ BEGIN
     chdir 't';
     $File =~ s/^t\W+//;                                 # Remove first directory
   }
-  unshift @INC, '../lib' if -d '../lib';
+  @INC = '../lib';
   require strict; import strict;
 }