diff --git a/invokeai/frontend/web/src/features/prompt/PromptExpansion/expand.ts b/invokeai/frontend/web/src/features/prompt/PromptExpansion/expand.ts
index a41a2d9259..9a7d76a209 100644
--- a/invokeai/frontend/web/src/features/prompt/PromptExpansion/expand.ts
+++ b/invokeai/frontend/web/src/features/prompt/PromptExpansion/expand.ts
@@ -27,7 +27,7 @@ export const expandPrompt = async (arg: { dispatch: AppDispatch; getState: AppGe
       dependencies,
       options: {
         prepend: true,
-        timeout: 10000,
+        timeout: 15000,
       },
     });
     assert(output.type === 'string_output');