1 files changed, 5 insertions, 0 deletions

diff --git a/plugins/check_dbi.c b/plugins/check_dbi.c
index b52602c..47b239a 100644
--- a/plugins/check_dbi.c
+++ b/plugins/check_dbi.c
@@ -353,6 +353,11 @@ print_help (void)
         print_usage ();
 
         printf (UT_HELP_VRSN);
+/* include this conditionally to avoid 'zero-length printf format string'
+ * compiler warnings */
+#ifdef NP_EXTRA_OPTS
+        printf (UT_EXTRA_OPTS);
+#endif
         printf ("\n");
 
         printf (" %s\n", "-d, --driver=STRING");