diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 8fac5414..14355256 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1734,6 +1734,7 @@ mupad:
 nesC:
   type: programming
   color: "#ffce3b"
+  lexer: nesc
   primary_extension: .nc
 
 ooc: