diff --git a/roles/pgbackrest/templates/pgbackrest.server.stanza.conf.j2 b/roles/pgbackrest/templates/pgbackrest.server.stanza.conf.j2
index f6b1c134a..c2de1194e 100644
--- a/roles/pgbackrest/templates/pgbackrest.server.stanza.conf.j2
+++ b/roles/pgbackrest/templates/pgbackrest.server.stanza.conf.j2
@@ -2,6 +2,7 @@
 {% for host in groups['postgres_cluster'] %}
 pg{{ loop.index }}-host={{ host }}
 pg{{ loop.index }}-port={{ postgresql_port }}
+pg{{ loop.index }}-socket-path={{ postgresql_unix_socket_dir }}
 pg{{ loop.index }}-path={{ postgresql_data_dir }}
 {% endfor %}
 
diff --git a/vars/main.yml b/vars/main.yml
index 3d74679cb..5f9026bc7 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -522,6 +522,7 @@ pgbackrest_conf:
     - { option: "process-max", value: "4" }
     - { option: "log-level-console", value: "info" }
     - { option: "recovery-option", value: "recovery_target_action=promote" }
+    - { option: "pg1-socket-path", value: "{{ postgresql_unix_socket_dir }}" }
     - { option: "pg1-path", value: "{{ postgresql_data_dir }}" }
 #    - { option: "", value: "" }
 # (optional) dedicated backup server config (if "repo_host" is set)