1 files changed, 2 insertions, 2 deletions

diff --git a/plugins/check_http.c b/plugins/check_http.c
index 7678084f..e22560e2 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -189,7 +189,7 @@ struct timeval tv;
 #define URI_PATH "%[/a-zA-Z0-9._-=@,]"
 
 enum {
-        MAX_IPV4_HOSTLENGTH = 64,
+        MAX_IPV4_HOSTLENGTH = 255,
         HTTP_PORT = 80,
         HTTPS_PORT = 443
 };
@@ -737,7 +737,7 @@ check_http (void)
                                 asprintf (&orig_url, "%s", server_url);
                                 pos = header;
                                 while (pos) {
-                                        server_address = realloc (server_address, MAX_IPV4_HOSTLENGTH);
+                                        server_address = realloc (server_address, MAX_IPV4_HOSTLENGTH + 1);
                                         if (server_address == NULL)
                                                 terminate (STATE_UNKNOWN,
                                                                                  "HTTP UNKNOWN: could not allocate server_address");