diff --git a/tests/testcurl.pl b/tests/testcurl.pl
index 791e366257..d08074253d 100755
--- a/tests/testcurl.pl
+++ b/tests/testcurl.pl
@@ -61,6 +61,7 @@
 #
 
 use strict;
+use warnings;
 
 use Cwd;
 use File::Spec;