diff --git a/CLI/cmux.swift b/CLI/cmux.swift
index cc3b3faa..b88ad168 100644
--- a/CLI/cmux.swift
+++ b/CLI/cmux.swift
@@ -6014,6 +6014,11 @@ struct CMUXCLI {
     }
 
     private func currentCmuxAppBundleIdentifier() -> String? {
+        if let bundleIdentifier = ProcessInfo.processInfo.environment["CMUX_BUNDLE_ID"]?.trimmingCharacters(in: .whitespacesAndNewlines),
+           !bundleIdentifier.isEmpty {
+            return bundleIdentifier
+        }
+
         if let bundleIdentifier = Bundle.main.bundleIdentifier?.trimmingCharacters(in: .whitespacesAndNewlines),
            !bundleIdentifier.isEmpty {
             return bundleIdentifier