diff --git a/src/gallium/auxiliary/util/u_upload_mgr.c b/src/gallium/auxiliary/util/u_upload_mgr.c
index e50db6d67fe..71fe53e3a27 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -257,7 +257,7 @@ enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
    ret = u_upload_data( upload,
                         min_out_offset,
                         size,
-                        map,
+                        map + offset,
                         out_offset,
                         outbuf, flushed );