diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 39efe7b4..544073a9 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -716,7 +716,7 @@ Lasso:
   
 LaTeX:
   type: markup
-  lexer: tex
+  lexer: TeX
   primary_extension: .tex
   extensions:
   - .bib