diff --git a/src/nvim/testdir/summarize.vim b/src/nvim/testdir/summarize.vim
index 7c98263af3..220aa60f9c 100644
--- a/src/nvim/testdir/summarize.vim
+++ b/src/nvim/testdir/summarize.vim
@@ -1,3 +1,4 @@
+set nocp
 if 1
   " This is executed with the eval feature
   set nocp