diff --git a/qapi-schema.json b/qapi-schema.json
index 68a43274bf..b921994ae3 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -4050,20 +4050,28 @@
 { 'enum': 'NetFilterDirection',
   'data': [ 'all', 'rx', 'tx' ] }
 
+##
+# @InetSocketAddressBase:
+#
+# @host: host part of the address
+# @port: port part of the address
+##
+{ 'struct': 'InetSocketAddressBase',
+  'data': {
+    'host': 'str',
+    'port': 'str' } }
+
 ##
 # @InetSocketAddress:
 #
 # Captures a socket address or address range in the Internet namespace.
 #
-# @host: host part of the address
-#
-# @port: port part of the address, or lowest port if @to is present
-#
 # @numeric: true if the host/port are guaranteed to be numeric,
 #           false if name resolution should be attempted. Defaults to false.
 #           (Since 2.9)
 #
-# @to: highest port to try
+# @to: If present, this is range of possible addresses, with port
+#      between @port and @to.
 #
 # @ipv4: whether to accept IPv4 addresses, default try both IPv4 and IPv6
 #
@@ -4072,9 +4080,8 @@
 # Since: 1.3
 ##
 { 'struct': 'InetSocketAddress',
+  'base': 'InetSocketAddressBase',
   'data': {
-    'host': 'str',
-    'port': 'str',
     '*numeric':  'bool',
     '*to': 'uint16',
     '*ipv4': 'bool',
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 0f132fc995..5d2efe4ea7 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -2652,7 +2652,7 @@
             '*conf': 'str',
             '*snapshot': 'str',
             '*user': 'str',
-            '*server': ['InetSocketAddress'],
+            '*server': ['InetSocketAddressBase'],
             '*auth-supported': ['RbdAuthMethod'],
             '*password-secret': 'str' } }