2 files changed, 4 insertions, 2 deletions
diff --git a/Userland/Libraries/LibCpp/Lexer.cpp b/Userland/Libraries/LibCpp/Lexer.cpp
index d3703db829..56ab1afd6c 100644
--- a/Userland/Libraries/LibCpp/Lexer.cpp
+++ b/Userland/Libraries/LibCpp/Lexer.cpp
@@ -12,8 +12,10 @@
 
 namespace Cpp {
 
-Lexer::Lexer(StringView const& input)
+Lexer::Lexer(StringView const& input, size_t start_line)
     : m_input(input)
+    , m_previous_position { start_line, 0 }
+    , m_position { start_line, 0 }
 {
 }
 
diff --git a/Userland/Libraries/LibCpp/Lexer.h b/Userland/Libraries/LibCpp/Lexer.h
index 1f8c1d8a93..bbee2bbf9f 100644
--- a/Userland/Libraries/LibCpp/Lexer.h
+++ b/Userland/Libraries/LibCpp/Lexer.h
@@ -14,7 +14,7 @@ namespace Cpp {
 
 class Lexer {
 public:
-    Lexer(StringView const&);
+    explicit Lexer(StringView const&, size_t start_line = 0);
 
     Vector<Token> lex();