diff --git a/lib/socks_sspi.c b/lib/socks_sspi.c
index ef3d1c6ba0..c4e0bb7d5d 100644
--- a/lib/socks_sspi.c
+++ b/lib/socks_sspi.c
@@ -462,6 +462,7 @@ static CURLcode socks5_sspi_encrypt(struct Curl_cfilter *cf,
         ((socksreq[0] == 1) ? " GSS-API integrity" :
          " GSS-API confidentiality"));
 
+  cf->conn->socks5_gssapi_enctype = socksreq[0];
   return CURLE_OK;
 
 fail: