diff --git a/build_tools/make_build_h b/build_tools/make_build_h
index fda1cea38015ab1f0226f56d28f37aeab55df94c..1a62fc2383e781c2b75938d8b30d735ab7521108 100755
--- a/build_tools/make_build_h
+++ b/build_tools/make_build_h
@@ -4,7 +4,7 @@ KERNEL=`uname -r`
 MACHINE=`uname -m`
 OS=`uname -s`
 USER=`whoami`
-DATE=`date --utc "+%Y-%m-%d %H:%M:%S"`
+DATE=`date -u "+%Y-%m-%d %H:%M:%S"`
 cat << END
 /*
  * build.h