diff --git a/crates/agent_servers/src/gemini.rs b/crates/agent_servers/src/gemini.rs
index 6a668785943239f28b4bc9aafce9d37fdfa386d2..e897bbd747b2ba7cf3947ed5cd3e594408bc1c2a 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_for_gemini_cli)?
                 .await