diff --git a/src/env_parallel.bash b/src/env_parallel.bash
index f8388781..664796e7 100755
--- a/src/env_parallel.bash
+++ b/src/env_parallel.bash
@@ -32,7 +32,8 @@ env_parallel() {
     # env_parallel.bash
 
     _names_of_ALIASES() {
-	compgen -a
+	# No aliases will return false. This error should be ignored.
+	compgen -a || true
     }
     _bodies_of_ALIASES() {
 	local _i
@@ -387,7 +388,7 @@ _parset_main() {
 	return 255
     fi
     if [ "$_parset_NAME" = "--version" ] ; then
-	echo "parset 20210322 (GNU parallel `parallel --minversion 1`)"
+	echo "parset 20210323 (GNU parallel `parallel --minversion 1`)"
 	echo "Copyright (C) 2007-2021 Ole Tange, http://ole.tange.dk and Free Software"
 	echo "Foundation, Inc."
 	echo "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>"