diff --git a/roles/matrix-base/tasks/setup_matrix_base.yml b/roles/matrix-base/tasks/setup_matrix_base.yml
index 0fad2b3d6..b74b0316d 100644
--- a/roles/matrix-base/tasks/setup_matrix_base.yml
+++ b/roles/matrix-base/tasks/setup_matrix_base.yml
@@ -23,6 +23,7 @@
   docker_network:
     name: "{{ matrix_docker_network }}"
     driver: bridge
+  register: matrix_docker_network_info
 
 - name: Ensure matrix-remove-all script created
   template:
diff --git a/roles/matrix-prometheus/templates/prometheus.yml.j2 b/roles/matrix-prometheus/templates/prometheus.yml.j2
index 6e91ace23..08e6fcf1c 100644
--- a/roles/matrix-prometheus/templates/prometheus.yml.j2
+++ b/roles/matrix-prometheus/templates/prometheus.yml.j2
@@ -36,5 +36,5 @@ scrape_configs:
   {% if matrix_prometheus_node_exporter_enabled %}
   - job_name: node
     static_configs:
-      - targets: ['172.18.0.1:9100']
+      - targets: ['{{ matrix_docker_network_info.network.IPAM.Config[0].Gateway }}:9100']
   {% endif %}