diff --git a/lib/Activity/ProviderParser.php b/lib/Activity/ProviderParser.php
index 6254d40b7..c667b3816 100644
--- a/lib/Activity/ProviderParser.php
+++ b/lib/Activity/ProviderParser.php
@@ -299,7 +299,7 @@ protected function generateViewerParameter(Circle $circle) {
 	 */
 	protected function generateExternalMemberParameter(Member $member) {
 		return [
-			'type'    => 'user',
+			'type'    => $member->getTypeName(),
 			'id'      => $member->getUserId(),
 			'name'    => $member->getDisplayName() . ' (' . $member->getTypeString() . ')',
 			'_parsed' => $member->getDisplayName()
diff --git a/lib/Model/BaseMember.php b/lib/Model/BaseMember.php
index a24ecfba1..584e65a05 100644
--- a/lib/Model/BaseMember.php
+++ b/lib/Model/BaseMember.php
@@ -308,4 +308,17 @@ public function getTypeString() {
 
 		return 'none';
 	}
+
+	public function getTypeName() {
+		switch ($this->getType()) {
+			case self::TYPE_USER:
+			case self::TYPE_MAIL:
+			case self::TYPE_CONTACT:
+				return 'user';
+			case self::TYPE_GROUP:
+				return 'user-group';
+		}
+
+		return 'none';
+	}
 }