--- a/src/librbd.cc
+++ b/src/librbd.cc
@@ -1172,13 +1172,14 @@ int copy(ImageCtx& ictx, IoCtx& dest_md_ctx, const char *destname,
     return r;
   }
 
-  r = read_iterate(&ictx, 0, src_size, do_copy_extent, &cp);
+  int64_t ret = read_iterate(&ictx, 0, src_size, do_copy_extent, &cp);
 
-  if (r >= 0) {
-    prog_ctx.update_progress(cp.src_size, cp.src_size);
-  }
   close_image(cp.destictx);
-  return r;
+  if (ret < 0) {
+       return ret;
+  }
+  prog_ctx.update_progress(cp.src_size, cp.src_size);
+  return 0;
 }
 
 int snap_set(ImageCtx *ictx, const char *snap_name)