diff --git a/src/testdir/test_mapping.vim b/src/testdir/test_mapping.vim
index 122793c..c352531 100644
--- a/src/testdir/test_mapping.vim
+++ b/src/testdir/test_mapping.vim
@@ -89,7 +89,7 @@
         \        .. "!  foo           foobar", execute('abbrev'))
 
   abclear
-   call assert_equal("\n\nNo abbreviation found", execute('abbrev'))
+  call assert_equal("\n\nNo abbreviation found", execute('abbrev'))
 
   %bwipe
 endfunc