diff --git a/bin/manila-image-create b/bin/manila-image-create
index e5e7ce2..39fe503 100755
--- a/bin/manila-image-create
+++ b/bin/manila-image-create
@@ -15,7 +15,7 @@ DISABLE_IMG_COMPRESSION=${DISABLE_IMG_COMPRESSION:-"no"}
 # Manila user settings
 MANILA_USER=${MANILA_USER:-"manila"}
 MANILA_PASSWORD=${MANILA_PASSWORD-"manila"}
-MANILA_USER_AUTHORIZED_KEYS="None"
+MANILA_USER_AUTHORIZED_KEYS=${MANILA_USER_AUTHORIZED_KEYS:-"None"}
 
 # Manila image settings
 MANILA_IMG_ARCH=${MANILA_IMG_ARCH:-"amd64"}