diff --git a/docs/snapshotters/devmapper.md b/docs/snapshotters/devmapper.md
index ae95bad29..9f2f2b537 100644
--- a/docs/snapshotters/devmapper.md
+++ b/docs/snapshotters/devmapper.md
@@ -63,7 +63,7 @@ set -ex
 DATA_DIR=/var/lib/containerd/devmapper
 POOL_NAME=devpool
 
-mkdir -p ${DATA_DIR}
+sudo mkdir -p ${DATA_DIR}
 
 # Create data file
 sudo touch "${DATA_DIR}/data"