diff --git a/src-tauri/src/services/provider/live.rs b/src-tauri/src/services/provider/live.rs
index b9997bb33..e7f7500d3 100644
--- a/src-tauri/src/services/provider/live.rs
+++ b/src-tauri/src/services/provider/live.rs
@@ -402,6 +402,12 @@ pub fn read_live_settings(app_type: AppType) -> Result<Value, AppError> {
 /// Returns `Ok(true)` if a provider was actually imported,
 /// `Ok(false)` if skipped (providers already exist for this app).
 pub fn import_default_config(state: &AppState, app_type: AppType) -> Result<bool, AppError> {
+    // Additive mode apps (OpenCode, OpenClaw) should use their dedicated
+    // import_xxx_providers_from_live functions, not this generic default config import
+    if app_type.is_additive_mode() {
+        return Ok(false);
+    }
+
     {
         let providers = state.db.get_all_providers(app_type.as_str())?;
         if !providers.is_empty() {