diff --git a/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/model/rm/local/LocalResourceController.java b/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/model/rm/local/LocalResourceController.java
index 76190eaba4..84fb5ac1bf 100644
--- a/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/model/rm/local/LocalResourceController.java
+++ b/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/model/rm/local/LocalResourceController.java
@@ -299,7 +299,7 @@ public class LocalResourceController implements RMController {
     public void saveProjectDataSources(
         @NotNull String projectId,
         @NotNull String configuration,
-        @NotNull String[] dataSourceIds
+        @Nullable List<String> dataSourceIds
     ) throws DBException {
         final DBPProject project = getProjectMetadata(projectId);
         final DBPDataSourceRegistry registry = project.getDataSourceRegistry();