plugin/matchit.vim |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/plugin/matchit.vim b/plugin/matchit.vim
index e41cda9..5ff13bc 100644
--- a/plugin/matchit.vim
+++ b/plugin/matchit.vim
@@ -35,6 +35,10 @@
 " TODO:  Add a level of indirection, so that custom % scripts can use my
 "   work but extend it.
 
+if !exists("use_matchit")
+  finish
+endif
+
 " allow user to prevent loading
 " and prevent duplicate loading
 if exists("loaded_matchit") || &cp