diff --git a/src/main/antlr/Decaf.g4 b/src/main/antlr/Decaf.g4
index 388690b..fee030c 100644
--- a/src/main/antlr/Decaf.g4
+++ b/src/main/antlr/Decaf.g4
@@ -8,8 +8,8 @@ var : type id ';' | type id '=' expr';';
 returntype : type | VOID;
 type : INT | BOOL | CHAR;
 
-meth : PUBLIC? 'static'? returntype id '(' params? ')' block | mainmeth;
-mainmeth : PUBLIC 'static' 'void' 'main' '(' params? ')' block;
+meth : PUBLIC? returntype id '(' params? ')' block | mainmeth;
+mainmeth : PUBLIC 'static' 'void' 'main' '(' 'String[] args' ')' block;
 params : param (',' param)*;
 param : type id;