diff --git a/tools/travis_postbuild.sh b/tools/travis_postbuild.sh
index 5737d86..00c5d49 100755
--- a/tools/travis_postbuild.sh
+++ b/tools/travis_postbuild.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-DATEVAL=`date +%b-%d-%Y`
+DATEVAL=`date +%Y-%m-%d`
 VERSIONVAL=master
 
 # Use tag as version