diff --git a/roles/n8n/defaults/main.yml b/roles/n8n/defaults/main.yml
index 2eb203a..bf6eb63 100644
--- a/roles/n8n/defaults/main.yml
+++ b/roles/n8n/defaults/main.yml
@@ -56,3 +56,8 @@ n8n_data_max_age: 2160
 
 # Memory limit for the service, in MB
 n8n_mem_limit: 2048
+
+# Extra env var to pass to the service
+# n8n_env_var:
+#   NODE_FUNCTION_ALLOW_BUILTIN: request-promise-native
+n8n_env_var: {}
diff --git a/roles/n8n/templates/env.j2 b/roles/n8n/templates/env.j2
index c7ac527..5465e24 100644
--- a/roles/n8n/templates/env.j2
+++ b/roles/n8n/templates/env.j2
@@ -5,3 +5,6 @@ VUE_APP_URL_BASE_API={{ n8n_public_url }}
 N8N_ENCRYPTION_KEY={{ n8n_secret_key | quote }}
 EXECUTIONS_DATA_PRUNE=true
 EXECUTIONS_DATA_MAX_AGE={{ n8n_data_max_age }}
+{% for env in n8n_env_var.keys() | list %}
+{{ env }}={{ n8n_env_var[env] }}
+{% endfor %}