1 files changed, 1 insertions, 1 deletions
diff --git a/src/lexer-source.h b/src/lexer-source.h
index e05b8be6..616913c0 100644
--- a/src/lexer-source.h
+++ b/src/lexer-source.h
@@ -41,7 +41,7 @@ class LexerSource {
 
 class LexerSourceFile : public LexerSource {
  public:
-  explicit LexerSourceFile(const std::string& filename);
+  explicit LexerSourceFile(string_view filename);
   ~LexerSourceFile();
 
   bool IsOpen() const { return file_ != nullptr; }