diff --git a/Exercise 2/C/Lexer.h b/Exercise 2/C/Lexer.h
index 8252bbf..e69e6f1 100644
--- a/Exercise 2/C/Lexer.h	
+++ b/Exercise 2/C/Lexer.h	
@@ -17,7 +17,7 @@
 #define _ERROR_ 1000
 
 /* functions */
-int start(char* sourcecode);
+int start(char*);
 int getNextCharacter();
 int readIdentifier();
 int readNumLit();