diff --git a/stack.sh b/stack.sh
index 3b66db5..28acccd 100755
--- a/stack.sh
+++ b/stack.sh
@@ -212,7 +212,9 @@
 # Service Token - Openstack components need to have an admin token
 # to validate user tokens.
 SERVICE_TOKEN=${SERVICE_TOKEN:-`openssl rand -hex 12`}
-ADMIN_PASSWORD=${ADMIN_PASSWORD:-`openssl rand -hex 12`}
+# Dash currently truncates usernames and passwords at 20 characters
+# so use 10 bytes
+ADMIN_PASSWORD=${ADMIN_PASSWORD:-`openssl rand -hex 10`}
 
 
 # Install Packages