diff --git a/src/obfs_http.c b/src/obfs_http.c
index 30eae6b..3abf31d 100644
--- a/src/obfs_http.c
+++ b/src/obfs_http.c
@@ -244,9 +244,10 @@ check_http_header(buffer_t *buf)
                 break;
             }
 
-        result = OBFS_ERROR;
         if (strncasecmp(hostname, obfs_http->host, len) == 0) {
             result = OBFS_OK;
+        } else {
+            result = OBFS_ERROR;
         }
         free(hostname);
         return result;