diff --git a/src/main/java/org/olat/user/ui/admin/authentication/UserNickNameEditController.java b/src/main/java/org/olat/user/ui/admin/authentication/UserNickNameEditController.java
index aff6255b4c18ae6d7724b6f082988a793d172625..1890db7d9cdd100aa1b37e995edbcba8f3339c36 100644
--- a/src/main/java/org/olat/user/ui/admin/authentication/UserNickNameEditController.java
+++ b/src/main/java/org/olat/user/ui/admin/authentication/UserNickNameEditController.java
@@ -73,7 +73,9 @@ public class UserNickNameEditController extends FormBasicController {
 	}
 	
 	private List<UserAuthenticationRow> getManageableProviders(List<UserAuthenticationRow> auths) {
-		return auths.stream().filter(auth -> auth.getProvider()
+		return auths.stream()
+			.filter(auth -> auth.getProvider() != null)
+			.filter(auth -> auth.getProvider()
 				.canChangeAuthenticationUsername(auth.getAuthentication().getProvider()))
 			.collect(Collectors.toList());
 	}