diff --git a/src/views/LoginView.vue b/src/views/LoginView.vue
index b553072..818db32 100644
--- a/src/views/LoginView.vue
+++ b/src/views/LoginView.vue
@@ -143,21 +143,27 @@ const customUrl = ref('')
 const selectedUrl = ref('')
 
 function initSelectedServer() {
+  // Reset api_key from env defaults to clear any stale key
+  localStorage.removeItem('portal_config')
   const config = getCurrentConfig()
   const currentUrl = config.api_base_url
   const matched = serverPresets.find(s => s.url === currentUrl)
   if (matched) {
     selectedUrl.value = matched.url
     showCustomUrl.value = false
+    saveConfig({ ...config, api_base_url: matched.url })
   } else {
     selectedUrl.value = currentUrl
     customUrl.value = currentUrl
     showCustomUrl.value = true
+    saveConfig({ ...config })
   }
 }
 
 function selectServer(srv: ServerPreset) {
   selectedUrl.value = srv.url
+  // Reset api_key from env to avoid using a stale key
+  localStorage.removeItem('portal_config')
   const config = getCurrentConfig()
   saveConfig({ ...config, api_base_url: srv.url })
 }
@@ -178,6 +184,8 @@ function toggleCustom() {
 
 function onCustomUrlInput() {
   selectedUrl.value = customUrl.value
+  // Reset api_key from env
+  localStorage.removeItem('portal_config')
   const config = getCurrentConfig()
   saveConfig({ ...config, api_base_url: customUrl.value })
 }
@@ -199,6 +207,7 @@ const handleLogin = async () => {
   let apiUrl = selectedUrl.value
   if (showCustomUrl.value && customUrl.value) {
     apiUrl = customUrl.value
+    localStorage.removeItem('portal_config')
     const config = getCurrentConfig()
     saveConfig({ ...config, api_base_url: customUrl.value })
   }