diff --git a/miniupnpc/Changelog.txt b/miniupnpc/Changelog.txt
index 1e79adb..8d2808e 100644
--- a/miniupnpc/Changelog.txt
+++ b/miniupnpc/Changelog.txt
@@ -1,6 +1,9 @@
-$Id: Changelog.txt,v 1.257 2023/06/11 23:25:45 nanard Exp $
+$Id: Changelog.txt,v 1.259 2023/06/15 22:42:36 nanard Exp $
 miniUPnP client Changelog.
 
+2023/06/15:
+  Make User-Agent compliant.
+
 VERSION 2.2.5 : released 2023/06/12
 
 2023/06/05:
diff --git a/miniupnpc/src/minisoap.c b/miniupnpc/src/minisoap.c
index 7860667..5967ca2 100644
--- a/miniupnpc/src/minisoap.c
+++ b/miniupnpc/src/minisoap.c
@@ -1,8 +1,8 @@
-/* $Id: minisoap.c,v 1.30 2020/11/09 19:27:42 nanard Exp $ */
+/* $Id: minisoap.c,v 1.31 2023/06/15 21:47:50 nanard Exp $ */
 /* vim: tabstop=4 shiftwidth=4 noexpandtab
  * Project : miniupnp
  * Author : Thomas Bernard
- * Copyright (c) 2005-2020 Thomas Bernard
+ * Copyright (c) 2005-2023 Thomas Bernard
  * This software is subject to the conditions detailed in the
  * LICENCE file provided in this distribution.
  *
@@ -90,7 +90,7 @@ int soapPostSubmit(SOCKET fd,
 	headerssize = snprintf(headerbuf, sizeof(headerbuf),
                        "POST %s HTTP/%s\r\n"
 	                   "Host: %s%s\r\n"
-					   "User-Agent: " OS_STRING ", " UPNP_VERSION_STRING ", MiniUPnPc/" MINIUPNPC_VERSION_STRING "\r\n"
+					   "User-Agent: " OS_STRING " " UPNP_VERSION_STRING " MiniUPnPc/" MINIUPNPC_VERSION_STRING "\r\n"
 	                   "Content-Length: %d\r\n"
 					   "Content-Type: text/xml\r\n"
 					   "SOAPAction: \"%s\"\r\n"
diff --git a/miniupnpc/src/miniwget.c b/miniupnpc/src/miniwget.c
index d5b7970..e76a5e5 100644
--- a/miniupnpc/src/miniwget.c
+++ b/miniupnpc/src/miniwget.c
@@ -1,8 +1,8 @@
-/* $Id: miniwget.c,v 1.82 2020/05/29 21:14:22 nanard Exp $ */
+/* $Id: miniwget.c,v 1.85 2023/06/15 21:47:50 nanard Exp $ */
 /* Project : miniupnp
  * Website : http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/
  * Author : Thomas Bernard
- * Copyright (c) 2005-2020 Thomas Bernard
+ * Copyright (c) 2005-2023 Thomas Bernard
  * This software is subject to the conditions detailed in the
  * LICENCE file provided in this distribution. */
 
@@ -444,7 +444,7 @@ miniwget3(const char * host,
                  "GET %s HTTP/%s\r\n"
 			     "Host: %s:%d\r\n"
 				 "Connection: Close\r\n"
-				 "User-Agent: " OS_STRING ", " UPNP_VERSION_STRING ", MiniUPnPc/" MINIUPNPC_VERSION_STRING "\r\n"
+				 "User-Agent: " OS_STRING " " UPNP_VERSION_STRING " MiniUPnPc/" MINIUPNPC_VERSION_STRING "\r\n"
 
 				 "\r\n",
 			   path, httpversion, host, port);