diff --git a/parser.v b/parser.v
index 762f7f3..f594678 100644
--- a/parser.v
+++ b/parser.v
@@ -804,6 +804,10 @@ fn (mut p Parser) parse_func_decl() FuncDecl {
 
 	p.symbols.variable_scopes << map[string]VarSymbolInfo{}
 
+	if class_name != none {
+		params << Param{'this', class_name+'*'}
+	}
+
 	if p.peek().type != .rparen {
 		for {
 			if p.peek().type != .identifier {
@@ -856,7 +860,6 @@ fn (mut p Parser) parse_func_decl() FuncDecl {
 	if class_name != none {
 		p.symbols.define_method(name_tok.text, class_name, type_tok.text, Block{})
 		p.symbols.define_var('this', class_name+'*', false)
-		params << Param{'this', class_name+'*'}
 	} else {
 		p.symbols.define_func(name_tok.text, type_tok.text, Block{})
 	}