diff --git a/block.c b/block.c
index 21395b5..3b33941 100644
--- a/block.c
+++ b/block.c
@@ -5540,6 +5540,21 @@
     return found_any;
 }
 
+/* Note: This function may return false positives; it may return true
+ * even if opening the backing file specified by bs's image header
+ * would result in exactly bs->backing. */
+static bool bdrv_backing_overridden(BlockDriverState *bs)
+{
+    if (bs->backing) {
+        return strcmp(bs->auto_backing_file,
+                      bs->backing->bs->filename);
+    } else {
+        /* No backing BDS, so if the image header reports any backing
+         * file, it must have been suppressed */
+        return bs->auto_backing_file[0] != '\0';
+    }
+}
+
 /* Updates the following BDS fields:
  *  - exact_filename: A filename which may be used for opening a block device
  *                    which (mostly) equals the given BDS (even without any
@@ -5557,6 +5572,7 @@
     BlockDriver *drv = bs->drv;
     BdrvChild *child;
     QDict *opts;
+    bool backing_overridden;
 
     if (!drv) {
         return;
@@ -5582,6 +5598,16 @@
         return;
     }
 
+    backing_overridden = bdrv_backing_overridden(bs);
+
+    if (bs->open_flags & BDRV_O_NO_IO) {
+        /* Without I/O, the backing file does not change anything.
+         * Therefore, in such a case (primarily qemu-img), we can
+         * pretend the backing file has not been overridden even if
+         * it technically has been. */
+        backing_overridden = false;
+    }
+
     if (drv->bdrv_refresh_filename) {
         /* Obsolete information is of no use here, so drop the old file name
          * information before refreshing it */
@@ -5607,6 +5633,7 @@
 
         opts = qdict_new();
         has_open_options = append_open_options(opts, bs);
+        has_open_options |= backing_overridden;
 
         /* If no specific options have been given for this BDS, the filename of
          * the underlying file should suffice for this one as well */
@@ -5618,11 +5645,20 @@
          * file BDS. The full options QDict of that file BDS should somehow
          * contain a representation of the filename, therefore the following
          * suffices without querying the (exact_)filename of this BDS. */
-        if (bs->file->bs->full_open_options) {
+        if (bs->file->bs->full_open_options &&
+            (!bs->backing || bs->backing->bs->full_open_options))
+        {
             qdict_put_str(opts, "driver", drv->format_name);
             qdict_put(opts, "file",
                       qobject_ref(bs->file->bs->full_open_options));
 
+            if (bs->backing) {
+                qdict_put(opts, "backing",
+                          qobject_ref(bs->backing->bs->full_open_options));
+            } else if (backing_overridden) {
+                qdict_put_null(opts, "backing");
+            }
+
             bs->full_open_options = opts;
         } else {
             qobject_unref(opts);