diff --git a/net/siproxd/Makefile b/net/siproxd/Makefile
index 0cd01392e..33a6c291c 100644
--- a/net/siproxd/Makefile
+++ b/net/siproxd/Makefile
@@ -1,6 +1,6 @@
 PLUGIN_NAME=		siproxd
 PLUGIN_VERSION=		1.3
-PLUGIN_REVISION=	2
+PLUGIN_REVISION=	3
 PLUGIN_COMMENT=		Siproxd is a proxy daemon for the SIP protocol
 PLUGIN_DEPENDS=		siproxd
 PLUGIN_MAINTAINER=	m.muenz@gmail.com
diff --git a/net/siproxd/src/opnsense/mvc/app/models/OPNsense/Siproxd/User.xml b/net/siproxd/src/opnsense/mvc/app/models/OPNsense/Siproxd/User.xml
index 57b7cc8af..6c4d1c4df 100644
--- a/net/siproxd/src/opnsense/mvc/app/models/OPNsense/Siproxd/User.xml
+++ b/net/siproxd/src/opnsense/mvc/app/models/OPNsense/Siproxd/User.xml
@@ -12,7 +12,7 @@
                 <username type="TextField">
                     <Default></Default>
                     <Required>Y</Required>
-                    <Mask>/^([0-9a-zA-Z._\-]){1,128}$/u</Mask>
+                    <Mask>/^([0-9a-zA-Z._\-\+\@]){1,128}$/u</Mask>
                 </username>
                 <password type="TextField">
                     <Default></Default>