diff --git a/src/server/mod.rs b/src/server/mod.rs
index f2d01a0a..69666bf1 100644
--- a/src/server/mod.rs
+++ b/src/server/mod.rs
@@ -47,8 +47,15 @@ async fn list_models(
     for provider in &providers {
         let provider_name = provider.name();
 
+        // Map internal provider names to registry provider IDs
+        let registry_key = match provider_name {
+            "gemini" => "google",
+            "grok" => "xai",
+            _ => provider_name,
+        };
+
         // Find this provider's models in the registry
-        if let Some(provider_info) = registry.providers.get(provider_name) {
+        if let Some(provider_info) = registry.providers.get(registry_key) {
             for (model_id, meta) in &provider_info.models {
                 // Skip disabled models via the config cache
                 if let Some(cfg) = state.model_config_cache.get(model_id).await {