diff --git a/src/common.rs b/src/common.rs
index 030f76880..b20a1b245 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -857,6 +857,10 @@ pub fn get_api_server(api: String, custom: String) -> String {
             return lic.api.clone();
         }
     }
+    let api = option_env!("API_SERVER").unwrap_or_default();
+    if !api.is_empty() {
+        return api.into();
+    }
     let s0 = get_custom_rendezvous_server(custom);
     if !s0.is_empty() {
         let s = crate::increase_port(&s0, -2);