diff --git a/packages/dashboard-ui-components/src/components/data-grid/data-grid-export-dialog.tsx b/packages/dashboard-ui-components/src/components/data-grid/data-grid-export-dialog.tsx
index cde2c462e..249b158a7 100644
--- a/packages/dashboard-ui-components/src/components/data-grid/data-grid-export-dialog.tsx
+++ b/packages/dashboard-ui-components/src/components/data-grid/data-grid-export-dialog.tsx
@@ -1,7 +1,7 @@
 "use client";
 
 import { DownloadSimpleIcon } from "@phosphor-icons/react";
-import React, { useCallback, useEffect, useMemo, useState } from "react";
+import React, { useCallback, useEffect, useMemo, useRef, useState } from "react";
 
 import { DesignButton } from "../button";
 import { DesignDialog } from "../dialog";
@@ -69,14 +69,19 @@ export function DataGridExportDialog<TRow>({
 
   // Reset the scope to its default each time the dialog opens. The dialog stays
   // mounted between opens, so without this the scope would retain whatever the
-  // user last picked instead of honoring `defaultScope` on every open. We key
-  // off `open` so this only fires on an open transition.
+  // user last picked instead of honoring `defaultScope` on every open. We track
+  // the previous `open` value with a ref so the reset only fires on a genuine
+  // closed->open transition -- not on every render that flips other state (e.g.
+  // `isExporting` going false after a failed/empty export would otherwise wipe
+  // the user's current selection while the dialog is still open).
   const defaultScope = exportOptions?.defaultScope ?? "all";
+  const wasOpenRef = useRef(false);
   useEffect(() => {
-    if (open && !isExporting) {
+    if (open && !wasOpenRef.current) {
       setScope(defaultScope);
     }
-  }, [open, isExporting, defaultScope]);
+    wasOpenRef.current = open;
+  }, [open, defaultScope]);
 
   const entityName = exportOptions?.entityName ?? "row";
   const entityNamePlural = exportOptions?.entityNamePlural ?? "rows";