diff --git a/scripts/openstack-server b/scripts/openstack-server
index 9bcc7bc..54a387a 100755
--- a/scripts/openstack-server
+++ b/scripts/openstack-server
@@ -264,7 +264,7 @@ def parse_drive_fqdn(fqdn: str) -> tuple:
     else:
         customer = 'common'
     hostname = fqdn.split('.')[0]
-    number = re.sub(r'[a-z.]', '', hostname)
+    number = re.sub(r'[-a-z.]', '', hostname)
     location = 'sto4'
     if number == '3':
         location = 'sto3'