diff --git a/src/aare/gui/gui.py b/src/aare/gui/gui.py
index aceb5334..bd50867e 100644
--- a/src/aare/gui/gui.py
+++ b/src/aare/gui/gui.py
@@ -83,7 +83,7 @@ def main():
                                        "url", default_url)
         parser.addOption(urlOption)
 
-        certPath = QCommandLineOption(["u", "aaredaq-cert-path"],
+        certPath = QCommandLineOption(["c", "aaredaq-cert-path"],
                                        "Server Certificate Path (for self-signed certificates)",
                                        "cert", default_cert_path)
         parser.addOption(certPath)