diff --git a/C++/C++.sublime-syntax b/C++/C++.sublime-syntax
index 81ed81d942..d6116f2508 100644
--- a/C++/C++.sublime-syntax
+++ b/C++/C++.sublime-syntax
@@ -20,6 +20,7 @@ file_extensions:
   - ipp
   - ixx
   - cppm
+  - ino
 
 first_line_match: |-
   (?xi: