diff --git a/bitnami/postgresql/11/debian-9/Dockerfile b/bitnami/postgresql/11/debian-9/Dockerfile
index 6c1af3bf8d63..867c0e5c1e31 100644
--- a/bitnami/postgresql/11/debian-9/Dockerfile
+++ b/bitnami/postgresql/11/debian-9/Dockerfile
@@ -18,7 +18,7 @@ RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && locale-gen
 COPY rootfs /
 RUN /postunpack.sh
 ENV BITNAMI_APP_NAME="postgresql" \
-    BITNAMI_IMAGE_VERSION="11.6.0-debian-9-r8" \
+    BITNAMI_IMAGE_VERSION="11.6.0-debian-9-r9" \
     LANG="en_US.UTF-8" \
     LANGUAGE="en_US:en" \
     NAMI_PREFIX="/.nami" \
diff --git a/bitnami/postgresql/11/debian-9/rootfs/libpostgresql.sh b/bitnami/postgresql/11/debian-9/rootfs/libpostgresql.sh
index 772f1424aa87..16c6c82a9361 100644
--- a/bitnami/postgresql/11/debian-9/rootfs/libpostgresql.sh
+++ b/bitnami/postgresql/11/debian-9/rootfs/libpostgresql.sh
@@ -850,9 +850,11 @@ is_postgresql_running() {
 #   Boolean
 #########################
 postgresql_master_init_db() {
+    local envExtraFlags=()
     local initdb_args=()
-    if [[ -n "${POSTGRESQL_INITDB_ARGS[*]}" ]]; then
-        initdb_args+=("${POSTGRESQL_INITDB_ARGS[@]}")
+    if [[ -n "${POSTGRESQL_INITDB_ARGS}" ]]; then
+        read -r -a envExtraFlags <<< "$POSTGRESQL_INITDB_ARGS"
+        initdb_args+=("${envExtraFlags[@]}")
     fi
     if [[ -n "$POSTGRESQL_INITDB_WAL_DIR" ]]; then
         ensure_dir_exists "$POSTGRESQL_INITDB_WAL_DIR"
diff --git a/bitnami/postgresql/README.md b/bitnami/postgresql/README.md
index 48909f731025..a8cba9b61588 100644
--- a/bitnami/postgresql/README.md
+++ b/bitnami/postgresql/README.md
@@ -48,7 +48,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 * [`12-debian-9`, `12.1.0-debian-9-r12`, `12`, `12.1.0`, `12.1.0-r12` (12/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/12.1.0-debian-9-r12/12/debian-9/Dockerfile)
 * [`12-centos-7`, `12.1.0-centos-7-r17` (12/centos-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/12.1.0-centos-7-r17/12/centos-7/Dockerfile)
 * [`11-ol-7`, `11.6.0-ol-7-r15` (11/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/11.6.0-ol-7-r15/11/ol-7/Dockerfile)
-* [`11-debian-9`, `11.6.0-debian-9-r8`, `11`, `11.6.0`, `11.6.0-r8`, `latest` (11/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/11.6.0-debian-9-r8/11/debian-9/Dockerfile)
+* [`11-debian-9`, `11.6.0-debian-9-r9`, `11`, `11.6.0`, `11.6.0-r9`, `latest` (11/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/11.6.0-debian-9-r9/11/debian-9/Dockerfile)
 * [`11-centos-7`, `11.6.0-centos-7-r17` (11/centos-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/11.6.0-centos-7-r17/11/centos-7/Dockerfile)
 * [`10-ol-7`, `10.11.0-ol-7-r15` (10/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/10.11.0-ol-7-r15/10/ol-7/Dockerfile)
 * [`10-debian-9`, `10.11.0-debian-9-r12`, `10`, `10.11.0`, `10.11.0-r12` (10/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/10.11.0-debian-9-r12/10/debian-9/Dockerfile)