diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index e75cee06..9f66be36 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1345,6 +1345,8 @@ R:
   type: programming
   color: "#198ce7"
   lexer: S
+  aliases: 
+  - R
   primary_extension: .r
   extensions:
   - .R
diff --git a/test/test_language.rb b/test/test_language.rb
index f16d0dbc..41ee2a72 100644
--- a/test/test_language.rb
+++ b/test/test_language.rb
@@ -104,6 +104,7 @@ class TestLanguage < Test::Unit::TestCase
     assert_equal Language['Raw token data'], Language.find_by_alias('raw')
     assert_equal Language['Ruby'], Language.find_by_alias('rb')
     assert_equal Language['Ruby'], Language.find_by_alias('ruby')
+    assert_equal Language['R'], Language.find_by_alias('r')
     assert_equal Language['Scheme'], Language.find_by_alias('scheme')
     assert_equal Language['Shell'], Language.find_by_alias('bash')
     assert_equal Language['Shell'], Language.find_by_alias('sh')