diff --git a/src/testdir/runtest.vim b/src/testdir/runtest.vim
index 3a32f45..5b8126d 100644
--- a/src/testdir/runtest.vim
+++ b/src/testdir/runtest.vim
@@ -199,7 +199,11 @@
     write
   endif
 
-  let message = 'Executed ' . s:done . (s:done > 1 ? ' tests' : ' test')
+  if s:done == 0
+    let message = 'NO tests executed'
+  else
+    let message = 'Executed ' . s:done . (s:done > 1 ? ' tests' : ' test')
+  endif
   echo message
   call add(s:messages, message)
   if s:fail > 0