diff --git a/block/monitor/bitmap-qmp-cmds.c b/block/monitor/bitmap-qmp-cmds.c
index 8e35616c2e..2b677c4a2f 100644
--- a/block/monitor/bitmap-qmp-cmds.c
+++ b/block/monitor/bitmap-qmp-cmds.c
@@ -257,12 +257,12 @@ void qmp_block_dirty_bitmap_disable(const char *node, const char *name,
 }
 
 BdrvDirtyBitmap *block_dirty_bitmap_merge(const char *node, const char *target,
-                                          BlockDirtyBitmapMergeSourceList *bms,
+                                          BlockDirtyBitmapOrStrList *bms,
                                           HBitmap **backup, Error **errp)
 {
     BlockDriverState *bs;
     BdrvDirtyBitmap *dst, *src, *anon;
-    BlockDirtyBitmapMergeSourceList *lst;
+    BlockDirtyBitmapOrStrList *lst;
 
     GLOBAL_STATE_CODE();
 
@@ -317,7 +317,7 @@ BdrvDirtyBitmap *block_dirty_bitmap_merge(const char *node, const char *target,
 }
 
 void qmp_block_dirty_bitmap_merge(const char *node, const char *target,
-                                  BlockDirtyBitmapMergeSourceList *bitmaps,
+                                  BlockDirtyBitmapOrStrList *bitmaps,
                                   Error **errp)
 {
     block_dirty_bitmap_merge(node, target, bitmaps, NULL, errp);
diff --git a/include/block/block_int-global-state.h b/include/block/block_int-global-state.h
index 0f21b0570b..8b2e95f5ff 100644
--- a/include/block/block_int-global-state.h
+++ b/include/block/block_int-global-state.h
@@ -262,7 +262,7 @@ BdrvDirtyBitmap *block_dirty_bitmap_lookup(const char *node,
                                            BlockDriverState **pbs,
                                            Error **errp);
 BdrvDirtyBitmap *block_dirty_bitmap_merge(const char *node, const char *target,
-                                          BlockDirtyBitmapMergeSourceList *bms,
+                                          BlockDirtyBitmapOrStrList *bms,
                                           HBitmap **backup, Error **errp);
 BdrvDirtyBitmap *block_dirty_bitmap_remove(const char *node, const char *name,
                                            bool release,
diff --git a/qapi/block-core.json b/qapi/block-core.json
index beeb91952a..b66494e8c5 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -2079,7 +2079,7 @@
             '*persistent': 'bool', '*disabled': 'bool' } }
 
 ##
-# @BlockDirtyBitmapMergeSource:
+# @BlockDirtyBitmapOrStr:
 #
 # @local: name of the bitmap, attached to the same node as target bitmap.
 #
@@ -2087,7 +2087,7 @@
 #
 # Since: 4.1
 ##
-{ 'alternate': 'BlockDirtyBitmapMergeSource',
+{ 'alternate': 'BlockDirtyBitmapOrStr',
   'data': { 'local': 'str',
             'external': 'BlockDirtyBitmap' } }
 
@@ -2106,7 +2106,7 @@
 ##
 { 'struct': 'BlockDirtyBitmapMerge',
   'data': { 'node': 'str', 'target': 'str',
-            'bitmaps': ['BlockDirtyBitmapMergeSource'] } }
+            'bitmaps': ['BlockDirtyBitmapOrStr'] } }
 
 ##
 # @block-dirty-bitmap-add:
diff --git a/qemu-img.c b/qemu-img.c
index 4c84134a1e..4cf4d2423d 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1623,16 +1623,16 @@ static void do_dirty_bitmap_merge(const char *dst_node, const char *dst_name,
                                   const char *src_node, const char *src_name,
                                   Error **errp)
 {
-    BlockDirtyBitmapMergeSource *merge_src;
-    BlockDirtyBitmapMergeSourceList *list = NULL;
+    BlockDirtyBitmapOrStr *merge_src;
+    BlockDirtyBitmapOrStrList *list = NULL;
 
-    merge_src = g_new0(BlockDirtyBitmapMergeSource, 1);
+    merge_src = g_new0(BlockDirtyBitmapOrStr, 1);
     merge_src->type = QTYPE_QDICT;
     merge_src->u.external.node = g_strdup(src_node);
     merge_src->u.external.name = g_strdup(src_name);
     QAPI_LIST_PREPEND(list, merge_src);
     qmp_block_dirty_bitmap_merge(dst_node, dst_name, list, errp);
-    qapi_free_BlockDirtyBitmapMergeSourceList(list);
+    qapi_free_BlockDirtyBitmapOrStrList(list);
 }
 
 enum ImgConvertBlockStatus {