diff --git a/docker/swarm/stack/monitoring/prometheus/global.yml b/docker/swarm/stack/monitoring/prometheus/global.yml
index d86f456..6114f44 100644
--- a/docker/swarm/stack/monitoring/prometheus/global.yml
+++ b/docker/swarm/stack/monitoring/prometheus/global.yml
@@ -7,3 +7,5 @@
             server:
               deploy:
                 mode: global
+              environment:
+                PROMETHEUS_USE_STATIC_DATADIR: "true"