diff --git a/v2.v b/v2.v
index d62d6099ad..e96f0f03c5 100644
--- a/v2.v
+++ b/v2.v
@@ -23,7 +23,7 @@ fn main() {
 	text := os.read_file(path)?
 	table := &table.Table{}
 	program := parser.parse_file(text, table)
-	res := gen.cgen(program)
+	res := gen.cgen([program])
 	mut out := os.create('out.c')?
 	out.writeln(cdefs)
 	out.writeln(res)
diff --git a/vlib/v/parser/parser_test.v b/vlib/v/parser/parser_test.v
index b386e93433..e767eb3bec 100644
--- a/vlib/v/parser/parser_test.v
+++ b/vlib/v/parser/parser_test.v
@@ -23,7 +23,7 @@ x := 10
 '
 	table := &table.Table{}
 	prog := parse_file(s, table)
-	res := gen.cgen(prog)
+	res := gen.cgen([prog])
 	println(res)
 }
 
@@ -79,7 +79,7 @@ fn test_parse_expr() {
 	program := ast.File{
 		stmts: e
 	}
-	res := gen.cgen(program)
+	res := gen.cgen([program])
 	println('========')
 	println(res)
 	println('========')