diff --git a/server/openblocks-domain/src/main/java/com/openblocks/domain/permission/service/DatasourcePermissionHandler.java b/server/openblocks-domain/src/main/java/com/openblocks/domain/permission/service/DatasourcePermissionHandler.java
index ac1a3693..3c5cfa96 100644
--- a/server/openblocks-domain/src/main/java/com/openblocks/domain/permission/service/DatasourcePermissionHandler.java
+++ b/server/openblocks-domain/src/main/java/com/openblocks/domain/permission/service/DatasourcePermissionHandler.java
@@ -51,9 +51,11 @@ public Mono<Map<String, List<ResourcePermission>>> getAllMatchingPermissions(Str
 
         List<String> systemStaticDatasourceIds = resourceIds.stream()
                 .filter(Datasource::isSystemStaticId)
+                .distinct()
                 .toList();
         List<String> nonSystemStaticDatasourceIds = resourceIds.stream()
                 .filter(Datasource::isNotSystemStaticId)
+                .distinct()
                 .toList();
 
         if (CollectionUtils.isEmpty(systemStaticDatasourceIds)) {