diff --git a/abuild-keygen.in b/abuild-keygen.in
index 29e9b4009d655c38c86254a9863b70814d6b1629..af1ad9051ced022ff7b9d83f7bbaba42df434917 100644
--- a/abuild-keygen.in
+++ b/abuild-keygen.in
@@ -42,9 +42,9 @@ if [ -z "$emailaddr" ] || [ "${emailaddr##*@}" = "$emailaddr" ]; then
 fi
 
 if [ -n "$emailaddr" ]; then
-	default_name="$emailaddr"
+	default_name="$emailaddr-$(printf "%x" $(date +%s))"
 else
-	default_name="$USER"
+	default_name="$USER-$(printf "%x" $(date +%s))"
 fi
 
 while getopts "ahi" opt; do