diff --git a/src/testdir/runtest.vim b/src/testdir/runtest.vim
index 5fe391b..1cdeeef 100644
--- a/src/testdir/runtest.vim
+++ b/src/testdir/runtest.vim
@@ -59,7 +59,7 @@
 endif
 
 " Check that the screen size is at least 24 x 80 characters.
-if &lines < 24 || &columns < 80 
+if &lines < 24 || &columns < 80
   let error = 'Screen size too small! Tests require at least 24 lines with 80 characters, got ' .. &lines .. ' lines with ' .. &columns .. ' characters'
   echoerr error
   split test.log