diff --git a/gui/admin-gui/src/main/java/com/evolveum/midpoint/gui/impl/factory/UploadDownloadPanelFactory.java b/gui/admin-gui/src/main/java/com/evolveum/midpoint/gui/impl/factory/UploadDownloadPanelFactory.java
index 6d6270b56ff..75e4498d11b 100644
--- a/gui/admin-gui/src/main/java/com/evolveum/midpoint/gui/impl/factory/UploadDownloadPanelFactory.java
+++ b/gui/admin-gui/src/main/java/com/evolveum/midpoint/gui/impl/factory/UploadDownloadPanelFactory.java
@@ -55,6 +55,9 @@ protected Panel getPanel(PrismPropertyPanelContext<T> panelCtx) {
             @Override
             public InputStream getStream() {
                 T object = panelCtx.getRealValueModel().getObject();
+                if (object instanceof String) {
+                    return new ByteArrayInputStream(((String)object).getBytes());
+                }
                 return object != null ? new ByteArrayInputStream((byte[]) object) : new ByteArrayInputStream(new byte[0]);
             }