diff --git a/qapi/block-core.json b/qapi/block-core.json
index 92193ab0a1..b5fdd426c9 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1721,8 +1721,7 @@
 ##
 # @BlockdevOptionsFile
 #
-# Driver specific block device options for the file backend and similar
-# protocols.
+# Driver specific block device options for the file backend.
 #
 # @filename:    path to the image file
 #
@@ -2210,6 +2209,18 @@
   'data': { 'mode': 'ReplicationMode',
             '*top-id': 'str' } }
 
+##
+# @BlockdevOptionsCurl
+#
+# Driver specific block device options for the curl backend.
+#
+# @filename:    path to the image file
+#
+# Since: 1.7
+##
+{ 'struct': 'BlockdevOptionsCurl',
+  'data': { 'filename': 'str' } }
+
 ##
 # @BlockdevOptions
 #
@@ -2248,13 +2259,13 @@
       'cloop':      'BlockdevOptionsGenericFormat',
       'dmg':        'BlockdevOptionsGenericFormat',
       'file':       'BlockdevOptionsFile',
-      'ftp':        'BlockdevOptionsFile',
-      'ftps':       'BlockdevOptionsFile',
+      'ftp':        'BlockdevOptionsCurl',
+      'ftps':       'BlockdevOptionsCurl',
       'gluster':    'BlockdevOptionsGluster',
       'host_cdrom': 'BlockdevOptionsFile',
       'host_device':'BlockdevOptionsFile',
-      'http':       'BlockdevOptionsFile',
-      'https':      'BlockdevOptionsFile',
+      'http':       'BlockdevOptionsCurl',
+      'https':      'BlockdevOptionsCurl',
 # TODO iscsi: Wait for structured options
       'luks':       'BlockdevOptionsLUKS',
 # TODO nbd: Should take InetSocketAddress for 'host'?
@@ -2271,7 +2282,7 @@
       'replication':'BlockdevOptionsReplication',
 # TODO sheepdog: Wait for structured options
 # TODO ssh: Should take InetSocketAddress for 'host'?
-      'tftp':       'BlockdevOptionsFile',
+      'tftp':       'BlockdevOptionsCurl',
       'vdi':        'BlockdevOptionsGenericFormat',
       'vhdx':       'BlockdevOptionsGenericFormat',
       'vmdk':       'BlockdevOptionsGenericCOWFormat',