diff --git a/gitdist b/gitdist
index 5054f40..d7a7170 100755
--- a/gitdist
+++ b/gitdist
@@ -25,7 +25,7 @@ if [ "$leave" = true ]; then
     exit 1
 fi
 
-timestamp=`date +"%Y%m%d-%H%M"`
+timestamp=`date -u +"%F-%T"`
 currentBranch=`git rev-parse --abbrev-ref HEAD`
 
 if [ "$currentBranch" = "master" ]; then