diff --git a/tools/buildinfo.sh b/tools/buildinfo.sh
index 1fb203a..2b0ad07 100755
--- a/tools/buildinfo.sh
+++ b/tools/buildinfo.sh
@@ -10,8 +10,8 @@
 echo "ro.build.version.codename=$PLATFORM_VERSION_CODENAME"
 echo "ro.build.version.all_codenames=$PLATFORM_VERSION_ALL_CODENAMES"
 echo "ro.build.version.release=$PLATFORM_VERSION"
-echo "ro.build.date=`date`"
-echo "ro.build.date.utc=`date +%s`"
+echo "ro.build.date=`date -d \"$BUILD_DATETIME\"`"
+echo "ro.build.date.utc=`date -d \"$BUILD_DATETIME\" +%s`"
 echo "ro.build.type=$TARGET_BUILD_TYPE"
 echo "ro.build.user=$USER"
 echo "ro.build.host=`hostname`"