1 files changed, 1 insertions, 1 deletions
diff --git a/t/op/assignwarn.t b/t/op/assignwarn.t
index 57e89c45e0..00f7abbf67 100755
--- a/t/op/assignwarn.t
+++ b/t/op/assignwarn.t
@@ -8,7 +8,7 @@
 
 BEGIN {
     chdir 't' if -d 't';
-    @INC = '../lib';
+    unshift @INC, '../lib';
 }
 
 use strict;