diff --git a/defaults/main.yaml b/defaults/main.yaml
index 0c4e827..ec7e90f 100644
--- a/defaults/main.yaml
+++ b/defaults/main.yaml
@@ -23,6 +23,7 @@ borgbackup_user_name: borgbackup
 borgbackup_user_group: borgbackup
 borgbackup_user_home: /var/lib/borgbackup
 borgbackup_user_home_mode: 0755
+# borgbackup_user_groups:
 # borgbackup_user_shell:
 
 # tasks/install.yaml
diff --git a/tasks/pre.yaml b/tasks/pre.yaml
index 87c393d..a5d8def 100644
--- a/tasks/pre.yaml
+++ b/tasks/pre.yaml
@@ -22,6 +22,7 @@
   user:
     createhome: true
     group: "{{ borgbackup_user_group }}"
+    groups: "{{ borgbackup_user_groups|default(omit) }}"
     home: "{{ borgbackup_user_home }}"
     name: "{{ borgbackup_user_name }}"
     shell: "{{ borgbackup_user_shell|default(omit) }}"