1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/check_http.c b/plugins/check_http.c
index 8712079d..315848fc 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -295,7 +295,7 @@ process_arguments (int argc, char **argv)
       usage4 (_("Invalid option - SSL is not available"));
 #endif
       use_ssl = TRUE;
-      if (optarg == NULL)
+      if (optarg == NULL || c != 'S')
         ssl_version = 0;
       else {
         ssl_version = atoi(optarg);