diff --git a/src/routes/page/instruction/instruction-components/instruction-llm.svelte b/src/routes/page/instruction/instruction-components/instruction-llm.svelte
index d0f269c9..7502af47 100644
--- a/src/routes/page/instruction/instruction-components/instruction-llm.svelte
+++ b/src/routes/page/instruction/instruction-components/instruction-llm.svelte
@@ -24,6 +24,8 @@
     afterUpdate(() => {
         if (selectedProvider) {
             onProviderChanged(selectedModel);
+        } else {
+            selectedModel = null;
         }
     });