diff -uNr nagios-plugins-1.4.3/plugins/check_http.c nagios-plugins-1.4.3_new/plugins/check_http.c
--- nagios-plugins-1.4.3/plugins/check_http.c   2006-04-05 00:58:27.000000000 -0700
+++ nagios-plugins-1.4.3_new/plugins/check_http.c       2006-08-30 02:34:35.000000000 -0700
@@ -1073,9 +1073,8 @@
    die (STATE_UNKNOWN, _("Could not allocate url\n"));

  while (pos) {
-
-    if (sscanf (pos, "%[Ll]%*[Oo]%*[Cc]%*[Aa]%*[Tt]%*[Ii]%*[Oo]%*[Nn]:%n", xx, &i) < 1) {
-
+    sscanf (pos, "%[Ll]%*[Oo]%*[Cc]%*[Aa]%*[Tt]%*[Ii]%*[Oo]%*[Nn]:%n", xx, &i);
+    if (i == 0) {
      pos += (size_t) strcspn (pos, "\r\n");
      pos += (size_t) strspn (pos, "\r\n");
      if (strlen(pos) == 0)