diff --git a/jslib b/jslib
index 2de8c5ed..0092aac2 160000
--- a/jslib
+++ b/jslib
@@ -1 +1 @@
-Subproject commit 2de8c5ed165f00e5d3a2b1dd92763176d6150782
+Subproject commit 0092aac275e8efca66838a8c266eec1d455883aa
diff --git a/src/services/sync.service.ts b/src/services/sync.service.ts
index abaa5255..7de79fac 100644
--- a/src/services/sync.service.ts
+++ b/src/services/sync.service.ts
@@ -104,7 +104,7 @@ export class SyncService {
     }
 
     private filterUnsupportedUsers(users: UserEntry[]): UserEntry[] {
-        return users.filter((u) => u.email.length <= 50);
+        return users.filter((u) => u.email == null || u.email.length <= 50);
     }
 
     private flattenUsersToGroups(levelGroups: GroupEntry[], allGroups: GroupEntry[]): Set<string> {