diff --git a/glance_store/_drivers/sheepdog.py b/glance_store/_drivers/sheepdog.py
index d4295e4..6cfa561 100644
--- a/glance_store/_drivers/sheepdog.py
+++ b/glance_store/_drivers/sheepdog.py
@@ -87,9 +87,9 @@ Related Options:
     * sheepdog_store_address
 
 """)),
-    cfg.StrOpt('sheepdog_store_address',
-               default=DEFAULT_ADDR,
-               help=_("""
+    cfg.HostAddressOpt('sheepdog_store_address',
+                       default=DEFAULT_ADDR,
+                       help=_("""
 Address to bind the Sheepdog daemon to.
 
 Provide a string value representing the address to bind the
diff --git a/glance_store/_drivers/vmware_datastore.py b/glance_store/_drivers/vmware_datastore.py
index d0d47f5..54d485c 100644
--- a/glance_store/_drivers/vmware_datastore.py
+++ b/glance_store/_drivers/vmware_datastore.py
@@ -59,9 +59,9 @@ DS_URL_PREFIX = '/folder'
 STORE_SCHEME = 'vsphere'
 
 _VMWARE_OPTS = [
-    cfg.StrOpt('vmware_server_host',
-               sample_default='127.0.0.1',
-               help=_("""
+    cfg.HostAddressOpt('vmware_server_host',
+                       sample_default='127.0.0.1',
+                       help=_("""
 Address of the ESX/ESXi or vCenter Server target system.
 
 This configuration option sets the address of the ESX/ESXi or vCenter