diff --git a/internal/fs/entry.go b/internal/fs/entry.go
index ce03e53..32d6c7e 100644
--- a/internal/fs/entry.go
+++ b/internal/fs/entry.go
@@ -28,7 +28,7 @@ var (
 		"proto": {}, "graphql": {}, "gql": {},
 		"tf": {}, "hcl": {},
 		"r": {}, "m": {}, "mm": {},
-		"nim": {}, "zig": {}, "odin": {}, "v": {},
+		"nim": {}, "zig": {}, "odin": {}, "v": {}, "nix": {},
 		"cr": {}, "jl": {},
 		"erl": {}, "hrl": {},
 	}