diff --git a/opac/opac-showreviews.pl b/opac/opac-showreviews.pl
index d4eaa935e4..ac8343a41f 100755
--- a/opac/opac-showreviews.pl
+++ b/opac/opac-showreviews.pl
@@ -16,6 +16,7 @@
 # Suite 330, Boston, MA  02111-1307 USA
 
 use strict;
+use warnings;
 
 use CGI;
 use C4::Auth;
diff --git a/opac/opac-suggestions.pl b/opac/opac-suggestions.pl
index 1cb9e148b5..b739817c95 100755
--- a/opac/opac-suggestions.pl
+++ b/opac/opac-suggestions.pl
@@ -16,6 +16,7 @@
 # Suite 330, Boston, MA  02111-1307 USA
 
 use strict;
+use warnings;
 
 use CGI;
 use C4::Auth;    # get_template_and_user