diff --git a/deployments/monitoring/GrafanaMatrix.Dockerfile b/deployments/monitoring/GrafanaMatrix.Dockerfile
index ff21e751f5..ad768943fc 100644
--- a/deployments/monitoring/GrafanaMatrix.Dockerfile
+++ b/deployments/monitoring/GrafanaMatrix.Dockerfile
@@ -1,4 +1,4 @@
-FROM ROM ruby:alpine3.13
+FROM ruby:alpine3.13
 
 RUN apk add --no-cache git