diff --git a/vars/utils.groovy b/vars/utils.groovy
index c10501b..9d7ffeb 100644
--- a/vars/utils.groovy
+++ b/vars/utils.groovy
@@ -66,7 +66,7 @@ List<String> getProjectVersionTags(String overrideChannel = '') {
     String channel = overrideChannel ? overrideChannel : getProjectVersionDefaultChannel()
     String shortChannel = getProjectVersionShortChannel(channel)
 
-    String currrentCommitDate = sh(script: 'git show -s --format=%ct').trim()
+    String currrentCommitDate = sh(script: 'git show -s --format=%ct', returnStdout: true).trim()
     String dateVersion = sh(script: "TZ=Europe/Paris date -d '@${currrentCommitDate}' +%Y.%-m.%-d", returnStdout: true).trim()
     String timestamp = sh(script: "TZ=Europe/Paris date -d '@${currrentCommitDate}' +%-H%M", returnStdout: true).trim()
     String shortCommit = sh(script: 'git rev-parse --short HEAD', returnStdout: true).trim()