diff --git a/ext_open/ext_open.py b/ext_open/ext_open.py
index 21d63b5..7f3430f 100644
--- a/ext_open/ext_open.py
+++ b/ext_open/ext_open.py
@@ -35,7 +35,7 @@ if __name__ == "__main__":
                 s.clean(n)
         s.update(args.update_modified_times)
     else:
-        s = searcher.Searcher(args.ext)
+        s = searcher.Searcher(args.ext,args.case_sensitive)
         if args.__dict__.pop('exact'):
             matches = s.exact(args.query)
         else: