diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 1e296718..12554bee 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1188,6 +1188,7 @@ Objective-C:
   primary_extension: .m
   extensions:
   - .mm
+  - .h
 
 Objective-J:
   type: programming