diff --git a/netbox/netbox/configuration_example.py b/netbox/netbox/configuration_example.py
index 4878ec520..8240a4dfb 100644
--- a/netbox/netbox/configuration_example.py
+++ b/netbox/netbox/configuration_example.py
@@ -13,6 +13,7 @@ ALLOWED_HOSTS = []
 # PostgreSQL database configuration. See the Django documentation for a complete list of available parameters:
 #   https://docs.djangoproject.com/en/stable/ref/settings/#databases
 DATABASE = {
+    'ENGINE': 'django.db.backends.postgresql', # Database engine
     'NAME': 'netbox',         # Database name
     'USER': '',               # PostgreSQL username
     'PASSWORD': '',           # PostgreSQL password
diff --git a/netbox/netbox/settings.py b/netbox/netbox/settings.py
index 6608fcb8f..206b00fe7 100644
--- a/netbox/netbox/settings.py
+++ b/netbox/netbox/settings.py
@@ -182,15 +182,16 @@ if RELEASE_CHECK_URL:
 # Database
 #
 
-# Only PostgreSQL is supported
-if METRICS_ENABLED:
-    DATABASE.update({
-        'ENGINE': 'django_prometheus.db.backends.postgresql'
-    })
-else:
-    DATABASE.update({
-        'ENGINE': 'django.db.backends.postgresql'
-    })
+if 'ENGINE' not in DATABASE:
+    # Only PostgreSQL is supported
+    if METRICS_ENABLED:
+        DATABASE.update({
+            'ENGINE': 'django_prometheus.db.backends.postgresql'
+        })
+    else:
+        DATABASE.update({
+            'ENGINE': 'django.db.backends.postgresql'
+        })
 
 DATABASES = {
     'default': DATABASE,