diff --git a/build.env b/build.env
index d582cb527..bc9791ae6 100644
--- a/build.env
+++ b/build.env
@@ -10,7 +10,7 @@
 #
 
 # Ceph version to use
-BASE_IMAGE=ceph/ceph:v15
+BASE_IMAGE=docker.io/ceph/ceph:v15
 CEPH_VERSION=nautilus
 
 # standard Golang options