diff --git a/lib/rouge/lexers/objective_c.rb b/lib/rouge/lexers/objective_c.rb
index 36ab6c5442..f1478515c3 100644
--- a/lib/rouge/lexers/objective_c.rb
+++ b/lib/rouge/lexers/objective_c.rb
@@ -12,7 +12,7 @@ class ObjectiveC < C
       tag 'objective_c'
       title "Objective-C"
       desc 'an extension of C commonly used to write Apple software'
-      aliases 'objc', 'obj-c', 'obj_c', 'objectivec'
+      aliases 'objc', 'obj-c', 'obj_c', 'objectivec', 'objective-c'
       filenames '*.m', '*.h'
 
       mimetypes 'text/x-objective_c', 'application/x-objective_c'