diff --git a/runtime/indent/testdir/runtest.vim b/runtime/indent/testdir/runtest.vim
index 1cc0d3f..96c3145 100644
--- a/runtime/indent/testdir/runtest.vim
+++ b/runtime/indent/testdir/runtest.vim
@@ -2,6 +2,9 @@
 "
 " Current directory must be runtime/indent.
 
+" Only do this with the +eval feature
+if 1
+
 set nocp
 filetype indent on
 set nowrapscan
@@ -116,4 +119,7 @@
   endif
 endfor
 
+" Matching "if 1" at the start.
+endif
+
 qall!