diff --git a/CHANGELOG.md b/CHANGELOG.md
index b453705f..54d8be14 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,6 +43,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Manifest removing (<https://github.com/openvinotoolkit/cvat/pull/3791>)
 - Fixed dextr deployment (<https://github.com/openvinotoolkit/cvat/pull/3820>)
 - Migration of `dataset_repo` application (<https://github.com/openvinotoolkit/cvat/pull/3827>)
+- Helm settings for external psql database were unused by backend (<https://github.com/openvinotoolkit/cvat/pull/3779>)
 
 ### Security
 
diff --git a/helm-chart/templates/cvat_backend/deployment.yml b/helm-chart/templates/cvat_backend/deployment.yml
index 9a35c343..dcfc3583 100644
--- a/helm-chart/templates/cvat_backend/deployment.yml
+++ b/helm-chart/templates/cvat_backend/deployment.yml
@@ -63,6 +63,7 @@ spec:
           - name: CVAT_REDIS_HOST
             value: "{{ .Values.redis.external.host }}"
           {{- end }}
+          {{- if .Values.postgresql.enabled }}
           - name: CVAT_POSTGRES_HOST
             valueFrom:
               secretKeyRef:
@@ -83,6 +84,16 @@ spec:
               secretKeyRef:
                 name: "{{ .Release.Name }}-{{ .Values.postgresql.secret.name }}"
                 key: postgresql-password
+          {{- else }}
+          - name: CVAT_POSTGRES_HOST
+            value: "{{ .Values.postgresql.external.host }}"
+          - name: CVAT_POSTGRES_USER
+            value: "{{ .Values.postgresql.external.user }}"
+          - name: CVAT_POSTGRES_DBNAME
+            value: "{{ .Values.postgresql.external.dbname }}"
+          - name: CVAT_POSTGRES_PASSWORD
+            value: "{{ .Values.postgresql.external.password }}"
+          {{- end }}
           {{- with .Values.cvat.backend.additionalEnv }}
           {{- toYaml . | nindent 10 }}
           {{- end }}