diff --git a/src/loader/loader_dri3_helper.c b/src/loader/loader_dri3_helper.c
index cc890bc923..072c331181 100644
--- a/src/loader/loader_dri3_helper.c
+++ b/src/loader/loader_dri3_helper.c
@@ -402,7 +402,8 @@ dri3_handle_present_event(struct loader_dri3_drawable *draw,
             buf->busy = 0;
 
          if (buf && draw->num_back <= b && b < LOADER_DRI3_MAX_BACK &&
-             draw->cur_blit_source != b) {
+             draw->cur_blit_source != b &&
+             buf->busy == 0) {
             dri3_free_render_buffer(draw, buf);
             draw->buffers[b] = NULL;
          }