1 files changed, 5 insertions, 0 deletions
diff --git a/t/op/undef.t b/t/op/undef.t
index 3bfe1a3118..8944ee3976 100755
--- a/t/op/undef.t
+++ b/t/op/undef.t
@@ -1,5 +1,10 @@
 #!./perl
 
+BEGIN {
+    chdir 't' if -d 't';
+    unshift @INC, '../lib';
+}
+
 print "1..27\n";
 
 print defined($a) ? "not ok 1\n" : "ok 1\n";