diff --git a/src/fold.c b/src/fold.c
index 5f89de8..2898c01 100644
--- a/src/fold.c
+++ b/src/fold.c
@@ -2851,6 +2851,8 @@
     fp[1].fd_top = bot + 1;
     fp[1].fd_len = fp->fd_len - (fp[1].fd_top - fp->fd_top);
     fp[1].fd_flags = fp->fd_flags;
+    fp[1].fd_small = MAYBE;
+    fp->fd_small = MAYBE;
 
     /* Move nested folds below bot to new fold.  There can't be
      * any between top and bot, they have been removed by the caller. */