diff --git a/build/gapps.sh b/build/gapps.sh
index 66a03a0..3c2175d 100755
--- a/build/gapps.sh
+++ b/build/gapps.sh
@@ -6,7 +6,7 @@
 ##
 # var
 #
-DATE=$(date +%F-%H-%M)
+DATE=$(date -u +%Y%m%d_%H%M%S)
 TOP=$(realpath .)
 ANDROIDV=8.1.0
 GARCH=$1