diff --git a/lib/curl_sasl.c b/lib/curl_sasl.c
index d877eff6f79ae643e2d8b17a3c7844f1925a9ffd..8a6b522176c0723c47498875bedfd4ceba793526 100644
--- a/lib/curl_sasl.c
+++ b/lib/curl_sasl.c
@@ -533,9 +533,11 @@ CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data,
 
   /* Generate the response */
   response = aprintf("username=\"%s\",realm=\"%s\",nonce=\"%s\","
-                     "cnonce=\"%s\",nc=\"%s\",digest-uri=\"%s\",response=%s",
+                     "cnonce=\"%s\",nc=\"%s\",digest-uri=\"%s\",response=%s,"
+                     "qop=%s",
                      userp, realm, nonce,
-                     cnonce, nonceCount, uri, resp_hash_hex);
+                     cnonce, nonceCount, uri, resp_hash_hex,
+                     qop);
   if(!response)
     return CURLE_OUT_OF_MEMORY;