diff --git a/docs/solutions/ha-setup-apt.md b/docs/solutions/ha-setup-apt.md
index 69e225a0f..abd5cd522 100644
--- a/docs/solutions/ha-setup-apt.md
+++ b/docs/solutions/ha-setup-apt.md
@@ -358,7 +358,7 @@ Run the following commands on all nodes. You can do this in parallel:
         cluster_name: cluster_1
         listen: 0.0.0.0:5432
         connect_address: ${NODE_IP}:5432
-        data_dir: ${DATADIR}
+        data_dir: ${DATA_DIR}
         bin_dir: ${PG_BIN_DIR}
         pgpass: /tmp/pgpass
         authentication:
diff --git a/docs/solutions/ha-setup-yum.md b/docs/solutions/ha-setup-yum.md
index 2f02fa340..1cb71291f 100644
--- a/docs/solutions/ha-setup-yum.md
+++ b/docs/solutions/ha-setup-yum.md
@@ -365,7 +365,7 @@ Run the following commands on all nodes. You can do this in parallel:
         cluster_name: cluster_1
         listen: 0.0.0.0:5432
         connect_address: ${NODE_IP}:5432
-        data_dir: ${DATADIR}
+        data_dir: ${DATA_DIR}
         bin_dir: ${PG_BIN_DIR}
         pgpass: /tmp/pgpass
         authentication: