diff --git a/Jenkinsfile b/Jenkinsfile
index 5e1ef59..e48cc28 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -23,7 +23,7 @@ pipeline {
                     sh 'git submodule update --init --recursive'
 
                     def branch = sh(
-                        script: "git branch --show-current",
+                        script: 'git branch --show-current 2>/dev/null || echo "DETACHED"',
                         returnStdout: true
                     ).trim()