1 files changed, 1 insertions, 1 deletions
diff --git a/t/io/openpid.t b/t/io/openpid.t
index 80c6bde5d1..d8326d8e63 100755
--- a/t/io/openpid.t
+++ b/t/io/openpid.t
@@ -9,7 +9,7 @@
 
 BEGIN {
     chdir 't' if -d 't';
-    unshift @INC, '../lib';
+    @INC = '../lib';
     if ($^O eq 'dos') {
         print "1..0 # Skip: no multitasking\n";
         exit 0;