1 files changed, 1 insertions, 1 deletions
diff --git a/t/op/subst_amp.t b/t/op/subst_amp.t
index e2e7c0e542..71895720f7 100755
--- a/t/op/subst_amp.t
+++ b/t/op/subst_amp.t
@@ -2,7 +2,7 @@
 
 BEGIN {
     chdir 't' if -d 't';
-    unshift @INC, '../lib' if -d '../lib';
+    @INC = '../lib';
     require Config; import Config;
 }