diff --git a/lib/http.c b/lib/http.c
index 34d79a7e2ddc122cd1e1d5eb7ca99ae6ef28b7bd..3084d321109764a4e7df2e479f6af77be1897e77 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -1886,7 +1886,7 @@ CURLcode Curl_http(struct connectdata *conn)
              This limit is no magic limit but only set to prevent really huge
              POSTs to get the data duplicated with malloc() and family. */
 
-          result == add_buffer(req_buffer, "\r\n", 2); /* end of headers! */
+          result = add_buffer(req_buffer, "\r\n", 2); /* end of headers! */
           if(result)
             return result;