diff --git a/crates/agent_servers/src/gemini.rs b/crates/agent_servers/src/gemini.rs
index 01f15557899e1c7826e91d1555320996eccd0f45..96dcdb13adb8ee352fdde3c4a3b7a8556361ebd2 100644
--- a/crates/agent_servers/src/gemini.rs
+++ b/crates/agent_servers/src/gemini.rs
@@ -44,6 +44,7 @@ impl AgentServer for Gemini {
 
         cx.spawn(async move |cx| {
             let mut extra_env = HashMap::default();
+            extra_env.insert("SURFACE".to_owned(), "zed".to_owned());
             if let Some(api_key) = cx.update(GoogleLanguageModelProvider::api_key)?.await.ok() {
                 extra_env.insert("GEMINI_API_KEY".into(), api_key.key);
             }