diff --git a/test/nbrowser/gristUtils.ts b/test/nbrowser/gristUtils.ts
index 66eee089..1df8a3de 100644
--- a/test/nbrowser/gristUtils.ts
+++ b/test/nbrowser/gristUtils.ts
@@ -1103,6 +1103,8 @@ export async function completeCopy(options: {destName?: string, destWorkspace?:
     await driver.findContent('.test-select-menu li', options.destWorkspace).click();
   }
 
+  await waitForServer();
+
   // save the urlId
   const urlId = await getCurrentUrlId();