diff --git a/nanobot/cli/onboard.py b/nanobot/cli/onboard.py
index d1a0cf0f..53431471 100644
--- a/nanobot/cli/onboard.py
+++ b/nanobot/cli/onboard.py
@@ -1590,10 +1590,9 @@ def _get_quick_start_provider_info() -> dict[str, _QuickStartProviderInfo]:
 
 def _get_quick_start_provider_choices() -> dict[str, str]:
     """Return Quick Start provider display choices."""
-    choices = {
-        info.display_name: provider_name
-        for provider_name, info in _get_quick_start_provider_info().items()
-    }
+    choices: dict[str, str] = {}
+    for provider_name, info in _get_quick_start_provider_info().items():
+        choices.setdefault(info.display_name, provider_name)
     choices[_QUICK_START_CUSTOM_PROVIDER_CHOICE] = "custom"
     return choices
 
diff --git a/tests/agent/test_onboard_logic.py b/tests/agent/test_onboard_logic.py
index 10deb476..b91b7f4e 100644
--- a/tests/agent/test_onboard_logic.py
+++ b/tests/agent/test_onboard_logic.py
@@ -975,15 +975,20 @@ class TestMainMenuUpdate:
 
         choices = onboard_wizard._get_quick_start_provider_choices()
         selected_provider_names = set(choices.values())
-        expected_provider_names = {
-            spec.name
-            for spec in PROVIDERS
-            if spec.name != "custom" and not spec.is_oauth and not spec.is_transcription_only
-        }
+        expected_provider_names = set()
+        seen_display_names: set[str] = set()
+        for spec in PROVIDERS:
+            if spec.name == "custom" or spec.is_oauth or spec.is_transcription_only:
+                continue
+            if spec.display_name in seen_display_names:
+                continue
+            seen_display_names.add(spec.display_name)
+            expected_provider_names.add(spec.name)
         expected_provider_names.add("custom")
 
         assert selected_provider_names == expected_provider_names
         assert "assemblyai" not in selected_provider_names
+        assert choices["OpenCode Zen"] == "opencode"
         assert choices[onboard_wizard._QUICK_START_CUSTOM_PROVIDER_CHOICE] == "custom"
 
     def test_quick_start_provider_choice_skips_advanced_prompts(self, monkeypatch):