diff --git a/qapi-schema.json b/qapi-schema.json
index ace55f397a..64998959db 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -1548,7 +1548,8 @@
   'data': { 'device': 'str', 'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
             'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int' } }
 
-# @block_stream:
+##
+# @block-stream:
 #
 # Copy data from a backing file into a block device.
 #
@@ -1556,7 +1557,7 @@
 # backing file has been copied.  This command returns immediately once streaming
 # has started.  The status of ongoing block streaming operations can be checked
 # with query-block-jobs.  The operation can be stopped before it has completed
-# using the block_job_cancel command.
+# using the block-job-cancel command.
 #
 # If a base file is specified then sectors are not copied from that base file and
 # its backing chain.  When streaming completes the image file will have the base
@@ -1578,10 +1579,10 @@
 #
 # Since: 1.1
 ##
-{ 'command': 'block_stream', 'data': { 'device': 'str', '*base': 'str' } }
+{ 'command': 'block-stream', 'data': { 'device': 'str', '*base': 'str' } }
 
 ##
-# @block_job_set_speed:
+# @block-job-set-speed:
 #
 # Set maximum speed for a background block operation.
 #
@@ -1599,11 +1600,11 @@
 #
 # Since: 1.1
 ##
-{ 'command': 'block_job_set_speed',
+{ 'command': 'block-job-set-speed',
   'data': { 'device': 'str', 'value': 'int' } }
 
 ##
-# @block_job_cancel:
+# @block-job-cancel:
 #
 # Stop an active block streaming operation.
 #
@@ -1629,7 +1630,7 @@
 #
 # Since: 1.1
 ##
-{ 'command': 'block_job_cancel', 'data': { 'device': 'str' } }
+{ 'command': 'block-job-cancel', 'data': { 'device': 'str' } }
 
 ##
 # @ObjectTypeInfo:
diff --git a/qmp-commands.hx b/qmp-commands.hx
index c09ee859a1..f97233223d 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -687,19 +687,19 @@ Example:
 EQMP
 
     {
-        .name       = "block_stream",
+        .name       = "block-stream",
         .args_type  = "device:B,base:s?",
         .mhandler.cmd_new = qmp_marshal_input_block_stream,
     },
 
     {
-        .name       = "block_job_set_speed",
+        .name       = "block-job-set-speed",
         .args_type  = "device:B,value:o",
         .mhandler.cmd_new = qmp_marshal_input_block_job_set_speed,
     },
 
     {
-        .name       = "block_job_cancel",
+        .name       = "block-job-cancel",
         .args_type  = "device:B",
         .mhandler.cmd_new = qmp_marshal_input_block_job_cancel,
     },
diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030
index 1faf984200..978fd82224 100755
--- a/tests/qemu-iotests/030
+++ b/tests/qemu-iotests/030
@@ -49,7 +49,7 @@ class TestSingleDrive(ImageStreamingTestCase):
     def test_stream(self):
         self.assert_no_active_streams()
 
-        result = self.vm.qmp('block_stream', device='drive0')
+        result = self.vm.qmp('block-stream', device='drive0')
         self.assert_qmp(result, 'return', {})
 
         completed = False
@@ -68,7 +68,7 @@ class TestSingleDrive(ImageStreamingTestCase):
                          'image file not fully populated after streaming')
 
     def test_device_not_found(self):
-        result = self.vm.qmp('block_stream', device='nonexistent')
+        result = self.vm.qmp('block-stream', device='nonexistent')
         self.assert_qmp(result, 'error/class', 'DeviceNotFound')
 
 class TestStreamStop(ImageStreamingTestCase):
@@ -90,14 +90,14 @@ class TestStreamStop(ImageStreamingTestCase):
 
         self.assert_no_active_streams()
 
-        result = self.vm.qmp('block_stream', device='drive0')
+        result = self.vm.qmp('block-stream', device='drive0')
         self.assert_qmp(result, 'return', {})
 
         time.sleep(1)
         events = self.vm.get_qmp_events(wait=False)
         self.assertEqual(events, [], 'unexpected QMP event: %s' % events)
 
-        self.vm.qmp('block_job_cancel', device='drive0')
+        self.vm.qmp('block-job-cancel', device='drive0')
         self.assert_qmp(result, 'return', {})
 
         cancelled = False
@@ -129,10 +129,10 @@ class TestSetSpeed(ImageStreamingTestCase):
     def perf_test_set_speed(self):
         self.assert_no_active_streams()
 
-        result = self.vm.qmp('block_stream', device='drive0')
+        result = self.vm.qmp('block-stream', device='drive0')
         self.assert_qmp(result, 'return', {})
 
-        result = self.vm.qmp('block_job_set_speed', device='drive0', value=8 * 1024 * 1024)
+        result = self.vm.qmp('block-job-set-speed', device='drive0', value=8 * 1024 * 1024)
         self.assert_qmp(result, 'return', {})
 
         completed = False