diff --git a/lib/Db/Circle.php b/lib/Db/Circle.php
index fad2f0cb7..194cae86b 100644
--- a/lib/Db/Circle.php
+++ b/lib/Db/Circle.php
@@ -31,7 +31,7 @@ class Circle extends RelationalObject {
 	protected $object;
 
 	public function __construct(\OCA\Circles\Model\Circle $circle) {
-		$primaryKey = IShare::TYPE_CIRCLE . ':' . $circle->getUniqueId();
+		$primaryKey = $circle->getUniqueId();
 		parent::__construct($primaryKey, $circle);
 	}
 
@@ -40,7 +40,8 @@ class Circle extends RelationalObject {
 			'uid' => $this->object->getUniqueId(),
 			'displayname' => $this->object->getName(),
 			'typeString' => $this->object->getTypeString(),
-			'circleOwner' => $this->object->getOwner()
+			'circleOwner' => $this->object->getOwner(),
+			'type' => 7
 		];
 	}
 }
diff --git a/lib/Db/Group.php b/lib/Db/Group.php
index 451078ae4..516afb323 100644
--- a/lib/Db/Group.php
+++ b/lib/Db/Group.php
@@ -28,14 +28,15 @@ use OCP\Share\IShare;
 
 class Group extends RelationalObject {
 	public function __construct(IGroup $group) {
-		$primaryKey = IShare::TYPE_GROUP . ':' . $group->getGID();
+		$primaryKey = $group->getGID();
 		parent::__construct($primaryKey, $group);
 	}
 
 	public function getObjectSerialization() {
 		return [
 			'uid' => $this->object->getGID(),
-			'displayname' => $this->object->getDisplayName()
+			'displayname' => $this->object->getDisplayName(),
+			'type' => 1
 		];
 	}
 }
diff --git a/lib/Db/User.php b/lib/Db/User.php
index 83ff2fc32..0a1334a35 100644
--- a/lib/Db/User.php
+++ b/lib/Db/User.php
@@ -28,14 +28,15 @@ use OCP\Share\IShare;
 
 class User extends RelationalObject {
 	public function __construct(IUser $user) {
-		$primaryKey = IShare::TYPE_USER . ':' . $user->getUID();
+		$primaryKey = $user->getUID();
 		parent::__construct($primaryKey, $user);
 	}
 
 	public function getObjectSerialization() {
 		return [
 			'uid' => $this->object->getUID(),
-			'displayname' => $this->object->getDisplayName()
+			'displayname' => $this->object->getDisplayName(),
+			'type' => 0
 		];
 	}
 
diff --git a/src/components/board/Board.vue b/src/components/board/Board.vue
index 3d18bdfa2..50e388031 100644
--- a/src/components/board/Board.vue
+++ b/src/components/board/Board.vue
@@ -24,12 +24,12 @@
 	<div class="board-wrapper">
 		<Controls :board="board" />
 		<transition name="fade" mode="out-in">
-			<div v-if="loading" class="emptycontent" key="loading">
+			<div v-if="loading" key="loading" class="emptycontent">
 				<div class="icon icon-loading" />
 				<h2>{{ t('deck', 'Loading board') }}</h2>
 				<p />
 			</div>
-			<div v-else-if="board && !loading" class="board" key="board">
+			<div v-else-if="board && !loading" key="board" class="board">
 				<Container lock-axix="y"
 					orientation="horizontal"
 					:drag-handle-selector="dragHandleSelector"
@@ -39,13 +39,12 @@
 					</Draggable>
 				</Container>
 			</div>
-			<div v-else class="emptycontent" key="notfound">
+			<div v-else key="notfound" class="emptycontent">
 				<div class="icon icon-deck" />
 				<h2>{{ t('deck', 'Board not found') }}</h2>
 				<p />
 			</div>
 		</transition>
-
 	</div>
 </template>
 
diff --git a/src/components/board/SharingTabSidebar.vue b/src/components/board/SharingTabSidebar.vue
index b4b90002c..e2b4b667d 100644
--- a/src/components/board/SharingTabSidebar.vue
+++ b/src/components/board/SharingTabSidebar.vue
@@ -7,8 +7,8 @@
 			:options="formatedSharees"
 			:user-select="true"
 			label="displayName"
-			track-by="user"
-			:internal-search="false"
+			track-by="multiselectKey"
+			:internal-search="true"
 			@input="clickAddAcl"
 			@search-change="asyncFind" />
 
@@ -24,7 +24,7 @@
 					</span>
 				</span>
 			</li>
-			<li v-for="acl in board.acl" :key="acl.participant.primaryKey">
+			<li v-for="acl in board.acl" :key="acl.id">
 				<Avatar v-if="acl.type===0" :user="acl.participant.uid" />
 				<div v-if="acl.type===1" class="avatardiv icon icon-group" />
 				<div v-if="acl.type===7" class="avatardiv icon icon-circles" />
@@ -101,11 +101,11 @@ export default {
 		},
 		formatedSharees() {
 			return this.unallocatedSharees.map(item => {
-
 				const sharee = {
 					user: item.label,
 					displayName: item.label,
 					icon: 'icon-user',
+					multiselectKey: item.shareType + ':' + item.primaryKey,
 				}
 
 				if (item.value.shareType === 1) {
@@ -124,7 +124,7 @@ export default {
 		unallocatedSharees() {
 			return this.sharees.filter((sharee) => {
 				const foundIndex = this.board.acl.findIndex((acl) => {
-					return acl.participant.uid === sharee.value.shareWith
+					return acl.participant.uid === sharee.value.shareWith && acl.participant.type === sharee.value.shareType
 				})
 				if (foundIndex === -1) {
 					return true
diff --git a/src/components/card/CardSidebar.vue b/src/components/card/CardSidebar.vue
index 6485581a6..2c53cb042 100644
--- a/src/components/card/CardSidebar.vue
+++ b/src/components/card/CardSidebar.vue
@@ -72,7 +72,7 @@
 						:auto-limit="false"
 						:placeholder="t('deck', 'Assign a user to this card…')"
 						label="displayname"
-						track-by="primaryKey"
+						track-by="multiselectKey"
 						@select="assignUserToCard"
 						@remove="removeUserFromCard">
 						<template #tag="scope">
@@ -80,6 +80,7 @@
 								<Avatar :user="scope.option.uid"
 									:display-name="scope.option.displayname"
 									:size="24"
+									:is-no-user="scope.option.isNoUser"
 									:disable-menu="true" />
 							</div>
 						</template>
@@ -89,6 +90,7 @@
 							:key="option.primaryKey"
 							:user="option.participant.uid"
 							:display-name="option.participant.displayname"
+							:is-no-user="scope.option.isNoUser"
 							:size="32" />
 					</div>
 				</div>
@@ -258,6 +260,7 @@ export default {
 					displayName: item.displayname,
 					icon: 'icon-user',
 					isNoUser: false,
+					multiselectKey: item.type + ':' + item.uid,
 				}
 
 				if (item.type === 1) {
@@ -313,7 +316,11 @@ export default {
 			this.allLabels = this.currentCard.labels
 
 			if (this.currentCard.assignedUsers && this.currentCard.assignedUsers.length > 0) {
-				this.assignedUsers = this.currentCard.assignedUsers.map((item) => item.participant)
+				this.assignedUsers = this.currentCard.assignedUsers.map((item) => ({
+					...item.participant,
+					isNoUser: item.participant.type !== 0,
+					multiselectKey: item.participant.type + ':' + item.participant.primaryKey,
+				}))
 			} else {
 				this.assignedUsers = []
 			}
diff --git a/src/components/cards/AvatarList.vue b/src/components/cards/AvatarList.vue
index 95b9f2a6e..2147a6b7d 100644
--- a/src/components/cards/AvatarList.vue
+++ b/src/components/cards/AvatarList.vue
@@ -33,14 +33,14 @@
 					:disable-menu="true"
 					:size="32" />
 				<Avatar v-if="user.type === 1"
-					:user="user.participant.primaryKey"
+					:user="user.participant.uid"
 					:display-name="user.participant.displayname"
 					:tooltip-message="user.participant.displayname + ' ' + t('deck', '(group)')"
 					:is-no-user="true"
 					:disable-="true"
 					:size="32" />
 				<Avatar v-if="user.type === 7"
-					:user="user.participant.primaryKey"
+					:user="user.participant.uid"
 					:display-name="user.participant.displayname"
 					:tooltip-message="user.participant.displayname + ' ' + t('deck', '(circle)')"
 					:is-no-user="true"
diff --git a/src/store/main.js b/src/store/main.js
index ed7f1baf9..ebc6f040f 100644
--- a/src/store/main.js
+++ b/src/store/main.js
@@ -181,7 +181,7 @@ export default new Vuex.Store({
 			state.boards = boards
 		},
 		setSharees(state, shareesUsersAndGroups) {
-			state.sharees = shareesUsersAndGroups.exact.users
+			Vue.set(state, 'sharees', shareesUsersAndGroups.exact.users)
 			state.sharees.push(...shareesUsersAndGroups.exact.groups)
 			state.sharees.push(...shareesUsersAndGroups.exact.circles)