diff --git a/configure.in b/configure.in
index be1204a91a..2329cda551 100644
--- a/configure.in
+++ b/configure.in
@@ -34,7 +34,7 @@ GNUCASH_MAJOR_VERSION=1
 GNUCASH_MINOR_VERSION=7
 GNUCASH_MICRO_VERSION=0
 GNUCASH_VERSION=$GNUCASH_MAJOR_VERSION.$GNUCASH_MINOR_VERSION.$GNUCASH_MICRO_VERSION
-GNUCASH_BUILD_DATE=`date --iso-8601=date`
+GNUCASH_BUILD_DATE=`date +%Y-%m-%d`
 
 AC_SUBST(GNUCASH_MAJOR_VERSION)
 AC_SUBST(GNUCASH_MINOR_VERSION)