diff --git a/scripts/build.sh b/scripts/build.sh
index 5bbc50e..2f36834 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -1,3 +1,3 @@
-sed -i "s/buildDate: [0-9]\+/buildDate: $(date +%m%d%H%M)/" config.yml
-echo buildDate: $(date +%m%d%H%M)
+sed -i "s/buildDate: [0-9]\+/buildDate: $(date +%m%d-%H%M)/" config.yml
+echo buildDate: $(date +%m%d-%H%M)
 ./hugo