diff --git a/cameleer3-server-app/src/main/java/com/cameleer3/server/app/security/OidcTokenExchanger.java b/cameleer3-server-app/src/main/java/com/cameleer3/server/app/security/OidcTokenExchanger.java
index 44e9ed2d..0ec91097 100644
--- a/cameleer3-server-app/src/main/java/com/cameleer3/server/app/security/OidcTokenExchanger.java
+++ b/cameleer3-server-app/src/main/java/com/cameleer3/server/app/security/OidcTokenExchanger.java
@@ -185,6 +185,9 @@ public class OidcTokenExchanger {
         if (value instanceof List<?> list) {
             return list.stream().map(Object::toString).toList();
         }
+        if (value instanceof String s && !s.isBlank()) {
+            return List.of(s.split(" "));
+        }
         return Collections.emptyList();
     }