diff --git a/static/sessions.js b/static/sessions.js
index 7f2d704e..636ef98d 100644
--- a/static/sessions.js
+++ b/static/sessions.js
@@ -887,7 +887,7 @@ async function newSession(flash, options={}){
       newModelState=explicitModelOverride;
       consumedExplicitModelOverride=true;
     }else if(hasLoadedSession&&window._defaultModel){
-      newModelState={model:window._defaultModel,model_provider:window._activeProvider||null};
+      newModelState={model:window._defaultModel,model_provider:null};
       usingConfiguredDefault=true;
     }else if(modelSelForNew&&modelSelForNew.value&&typeof _modelStateForSelect==='function'){
       newModelState=_modelStateForSelect(modelSelForNew,modelSelForNew.value);
diff --git a/tests/test_new_chat_default_model_frontend.py b/tests/test_new_chat_default_model_frontend.py
index 9badb71f..eefd36bd 100644
--- a/tests/test_new_chat_default_model_frontend.py
+++ b/tests/test_new_chat_default_model_frontend.py
@@ -139,7 +139,7 @@ def test_new_chat_prefers_explicit_empty_composer_override_before_configured_def
     assert "consumedExplicitModelOverride" in fn
     assert "usingConfiguredDefault" in fn
     assert "_clearEmptyComposerModelOverride" in fn
-    assert "newModelState={model:window._defaultModel,model_provider:window._activeProvider||null};" in fn
+    assert "newModelState={model:window._defaultModel,model_provider:null};" in fn
     assert fn.index("explicitModelOverride") < fn.index("hasLoadedSession&&window._defaultModel") < fn.index("_modelStateForSelect"), (
         "newSession() must prefer the empty-composer override first, then the configured default for loaded-session flows, then legacy picker state"
     )