diff --git a/frontend/src/conversation/conversationSlice.ts b/frontend/src/conversation/conversationSlice.ts
index 637b5365..e40441c5 100644
--- a/frontend/src/conversation/conversationSlice.ts
+++ b/frontend/src/conversation/conversationSlice.ts
@@ -56,7 +56,7 @@ export const fetchAnswer = createAsyncThunk<
         question,
         signal,
         state.preference.token,
-        state.preference.selectedDocs!,
+        state.preference.selectedDocs || [],
         currentConversationId,
         state.preference.prompt.id,
         state.preference.chunks,
@@ -163,7 +163,7 @@ export const fetchAnswer = createAsyncThunk<
         question,
         signal,
         state.preference.token,
-        state.preference.selectedDocs!,
+        state.preference.selectedDocs || [],
         state.conversation.conversationId,
         state.preference.prompt.id,
         state.preference.chunks,