diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5dd55c94..38f2da05a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -70,6 +70,7 @@ Users may have to change how they access the system
 
 ### Corrected Bugs
 
+* Fixed: [ Restconf PATCH method request failed on item defined by submodule #306](https://github.com/clicon/clixon/issues/306)
 * Fixed: [restconf GET json response does not encode top level node with namespace as per rfc #303](https://github.com/clicon/clixon/issues/303)
 * Fixed: [statement: require-instance should be true if not present according to rfc7950 Sec 9.9.3](https://github.com/clicon/clixon/issues/302)
   * See also API changes
diff --git a/README.md b/README.md
index 15c470ce6..d1304b6b5 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,6 @@ Clixon has a master branch continuously tested with CI, but releases are made ca
 
 Clixon interaction is best done posting issues, pull requests, or joining the
 [slack channel](https://clixondev.slack.com).
-[Slack invite](https://join.slack.com/t/clixondev/shared_invite/zt-11yvaaum9-J4zEVnp~8KkTXFlQSE0Kmg)(updated 20/1 2022)
+[Slack invite](https://join.slack.com/t/clixondev/shared_invite/zt-14apfsdlt-U8y5TX_VX7oP99wKKvTScQ)(updated 23/2 2022)
 
 Clixon is sponsored by [Rubicon Communications LLC(Netgate)](https://www.netgate.com/)
diff --git a/apps/restconf/restconf_methods.c b/apps/restconf/restconf_methods.c
index a87b7269a..da5e3661a 100644
--- a/apps/restconf/restconf_methods.c
+++ b/apps/restconf/restconf_methods.c
@@ -267,8 +267,10 @@ api_data_write(clicon_handle h,
 		goto done;
 	    goto ok;
 	}
-	if (ybot)
-	    ymodapi = ys_module(ybot);
+	if (ybot){
+	    if (ys_real_module(ybot, &ymodapi) < 0)
+		goto done;
+	}
     }
     /* 4.4.1: The message-body MUST contain exactly one instance of the
      * expected data resource.  (tested again below)
diff --git a/test/test_submodule.sh b/test/test_submodule.sh
index 27e91f8e6..83aa6fa62 100755
--- a/test/test_submodule.sh
+++ b/test/test_submodule.sh
@@ -252,8 +252,12 @@ expectpart "$(curl $CURLOPTS -X GET $RCPROTO://localhost/restconf/data?content=c
 new "restconf edit augment 0"
 expectpart "$(curl $CURLOPTS -X POST -H "Content-Type: application/yang-data+json" $RCPROTO://localhost/restconf/data/main:sub2 -d '{"main:aug0":"foo"}')" 0 "HTTP/$HVER 201"
 
-new "restconf edit augment 1"
-expectpart "$(curl $CURLOPTS -X POST -H "Content-Type: application/yang-data+json" $RCPROTO://localhost/restconf/data/main:main -d '{"main:aug1":"foo"}')" 0 "HTTP/$HVER 201"
+# Alternative use PUT
+new "restconf PUT augment 1 "
+expectpart "$(curl $CURLOPTS -X PUT -H "Content-Type: application/yang-data+json" $RCPROTO://localhost/restconf/data/main:main/aug1 -d '{"main:aug1":"foo"}')" 0 "HTTP/$HVER 201"
+
+new "restconf PATCH augment 1 "
+expectpart "$(curl $CURLOPTS -X PATCH -H "Content-Type: application/yang-data+json" $RCPROTO://localhost/restconf/data/main:main/aug1 -d '{"main:aug1":"foo"}')" 0 "HTTP/$HVER 204"
 
 new "restconf edit augment 2"
 expectpart "$(curl $CURLOPTS -X POST -H "Content-Type: application/yang-data+json" $RCPROTO://localhost/restconf/data/main:sub2 -d '{"main:aug2":"foo"}')" 0 "HTTP/$HVER 201"
diff --git a/test/vagrant/vagrant.sh b/test/vagrant/vagrant.sh
index c595d0617..fcf387a62 100755
--- a/test/vagrant/vagrant.sh
+++ b/test/vagrant/vagrant.sh
@@ -141,7 +141,6 @@ case $release in
 		$sshcmd sudo pkg install -y fcgi-devkit nginx
 		;;
 	    native)
-		$sshcmd sudo pkg install -y libevent
 		;;
 	esac
 	;;
@@ -167,8 +166,8 @@ case $release in
 		$sshcmd sudo yum install -y nginx
 		;;
 	    native)
-		$sshcmd sudo yum install -y libevent openssl
-		$sshcmd sudo yum install -y libevent-devel openssl-devel
+		$sshcmd sudo yum install -y openssl
+		$sshcmd sudo yum install -y openssl-devel
 		$sshcmd sudo yum-config-manager --enable powertools
 		$sshcmd sudo yum install -y libnghttp2-devel
 		;;
@@ -245,7 +244,6 @@ case $release in
 		$sshcmd	sudo pacman -Syu --noconfirm nginx fcgi
 		;;
 	    native)
-		$sshcmd	sudo pacman -Syu --noconfirm libevent
 		;;
 	esac
 	;;