diff --git a/dev/helm/templates/deployment.yaml b/dev/helm/templates/deployment.yaml
index e6dc786b..4a7e3b8a 100644
--- a/dev/helm/templates/deployment.yaml
+++ b/dev/helm/templates/deployment.yaml
@@ -51,7 +51,7 @@ spec:
             {{- end }}
             - name: DB_TYPE
               value: postgres
-            {{- if (.Values.externalPostgresql).databaseURL }}
+            {{- if and .Values.externalPostgresql .Values.externalPostgresql.databaseURL }}
             - name: DATABASE_URL
               value: {{ .Values.externalPostgresql.databaseURL }}
             - name: NODE_TLS_REJECT_UNAUTHORIZED