diff --git a/share/jenny/lib/helpers.sh b/share/jenny/lib/helpers.sh
index 45de72c..7b68850 100644
--- a/share/jenny/lib/helpers.sh
+++ b/share/jenny/lib/helpers.sh
@@ -127,7 +127,7 @@ function get_post_date_int() {
 }
 
 function get_post_date_rfc822() {
-  $DATE --rfc-822 --date="$(echo $(get_timestamp "$1") | $SED -e 's#\([0-9]\{4\}\)-\([0-9]\{2\}\)-\([0-9]\{2\}\)#\1/\2/\3#')"
+  $DATE --rfc-822 --date="$(stat -c %y "$1")"
 }
 
 function get_tags() {