1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index af3c7206..119ccf10 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -447,7 +447,7 @@ process_arguments (int argc, char **argv)
         }
 
         while (1) {
-                c = getopt_long (argc, argv, "+hVv46H:s:e:q:m:c:w:t:p:C:W:d:Sr:j",
+                c = getopt_long (argc, argv, "+hVv46H:s:e:q:m:c:w:t:p:C:W:d:Sr:j:D",
                                  longopts, &option);
 
                 if (c == -1 || c == EOF || c == 1)