diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 7b1e392f73b9699c7679c43fd230a825cf5a06f7..832f98346d136fa576171018c0061620a7b25d09 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -793,10 +793,6 @@ qemuMigrationSrcNBDStorageCopyBlockdev(virQEMUDriverPtr driver,
     int mon_ret = 0;
     int ret = -1;
     VIR_AUTOUNREF(virStorageSourcePtr) copysrc = NULL;
-    unsigned int mirror_flags = 0;
-
-    if (mirror_shallow)
-        mirror_flags |= VIR_DOMAIN_BLOCK_REBASE_SHALLOW;
 
     VIR_DEBUG("starting blockdev mirror for disk=%s to host=%s", diskAlias, host);
 
@@ -841,7 +837,7 @@ qemuMigrationSrcNBDStorageCopyBlockdev(virQEMUDriverPtr driver,
     if (mon_ret == 0)
         mon_ret = qemuMonitorBlockdevMirror(qemuDomainGetMonitor(vm), NULL,
                                             diskAlias, copysrc->nodeformat,
-                                            mirror_speed, 0, 0, mirror_flags);
+                                            mirror_speed, 0, 0, mirror_shallow);
 
     if (mon_ret != 0)
         qemuBlockStorageSourceAttachRollback(qemuDomainGetMonitor(vm), data);
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index e1fcbac13fe77997e68ab9e836219919aeb73cd7..9a796db3cb6b9e9baf9fc459965be1a77bcf9142 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -3266,17 +3266,17 @@ qemuMonitorBlockdevMirror(qemuMonitorPtr mon,
                           unsigned long long bandwidth,
                           unsigned int granularity,
                           unsigned long long buf_size,
-                          unsigned int flags)
+                          bool shallow)
 {
     VIR_DEBUG("jobname=%s, device=%s, target=%s, bandwidth=%lld, "
-              "granularity=%#x, buf_size=%lld, flags=0x%x",
+              "granularity=%#x, buf_size=%lld, shallow=%d",
               NULLSTR(jobname), device, target, bandwidth, granularity,
-              buf_size, flags);
+              buf_size, shallow);
 
     QEMU_CHECK_MONITOR(mon);
 
     return qemuMonitorJSONBlockdevMirror(mon, jobname, device, target, bandwidth,
-                                         granularity, buf_size, flags);
+                                         granularity, buf_size, shallow);
 }
 
 
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 9242d3740785487e93cadb038cfe73cf0d19a9a1..438c3c38ed96fcb5539a3e83c46aaf38a897e41c 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -893,7 +893,7 @@ int qemuMonitorBlockdevMirror(qemuMonitorPtr mon,
                               unsigned long long bandwidth,
                               unsigned int granularity,
                               unsigned long long buf_size,
-                              unsigned int flags)
+                              bool shallow)
     ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
 int qemuMonitorDrivePivot(qemuMonitorPtr mon,
                           const char *jobname)
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 5e3df5e75992a8c4d55976e661bd981181fc1eb9..a75e660d07314b316dc0a189eb8efa0ae95e492c 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -4320,12 +4320,11 @@ qemuMonitorJSONBlockdevMirror(qemuMonitorPtr mon,
                               unsigned long long speed,
                               unsigned int granularity,
                               unsigned long long buf_size,
-                              unsigned int flags)
+                              bool shallow)
 {
     int ret = -1;
     virJSONValuePtr cmd;
     virJSONValuePtr reply = NULL;
-    bool shallow = (flags & VIR_DOMAIN_BLOCK_REBASE_SHALLOW) != 0;
 
     cmd = qemuMonitorJSONMakeCommand("blockdev-mirror",
                                      "S:job-id", jobname,
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index 746b7072ca87c96e40360d26d63d5e8ddd5fb1a2..174db7a2e9cf69135d1d37041fa08aa9e9e869ef 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -259,7 +259,7 @@ int qemuMonitorJSONBlockdevMirror(qemuMonitorPtr mon,
                                   unsigned long long speed,
                                   unsigned int granularity,
                                   unsigned long long buf_size,
-                                  unsigned int flags)
+                                  bool shallow)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
 int qemuMonitorJSONDrivePivot(qemuMonitorPtr mon,
                               const char *jobname)
diff --git a/tests/qemumonitorjsontest.c b/tests/qemumonitorjsontest.c
index 923f6d7d9ce4c0e43022e8a28b862ad6a1cd4ab8..c2bb3a6c4fa7f28d5a7440d8fcc7b6b18e3db667 100644
--- a/tests/qemumonitorjsontest.c
+++ b/tests/qemumonitorjsontest.c
@@ -1343,8 +1343,7 @@ GEN_TEST_FUNC(qemuMonitorJSONDelDevice, "ide0")
 GEN_TEST_FUNC(qemuMonitorJSONAddDevice, "some_dummy_devicestr")
 GEN_TEST_FUNC(qemuMonitorJSONDriveMirror, "vdb", "/foo/bar", "formatstr", 1024, 1234, 31234,
               VIR_DOMAIN_BLOCK_REBASE_SHALLOW | VIR_DOMAIN_BLOCK_REBASE_REUSE_EXT)
-GEN_TEST_FUNC(qemuMonitorJSONBlockdevMirror, "jobname", "vdb", "targetnode", 1024, 1234, 31234,
-              VIR_DOMAIN_BLOCK_REBASE_SHALLOW | VIR_DOMAIN_BLOCK_REBASE_REUSE_EXT)
+GEN_TEST_FUNC(qemuMonitorJSONBlockdevMirror, "jobname", "vdb", "targetnode", 1024, 1234, 31234, true)
 GEN_TEST_FUNC(qemuMonitorJSONBlockStream, "vdb", "/foo/bar1", "backingfilename", 1024)
 GEN_TEST_FUNC(qemuMonitorJSONBlockCommit, "vdb", "/foo/bar1", "/foo/bar2", "backingfilename", 1024)
 GEN_TEST_FUNC(qemuMonitorJSONDrivePivot, "vdb")