diff --git a/vlib/v/gen/fn.v b/vlib/v/gen/fn.v
index 317df8e33e..86e39f8b1a 100644
--- a/vlib/v/gen/fn.v
+++ b/vlib/v/gen/fn.v
@@ -158,8 +158,8 @@ fn (mut g Gen) gen_fn_decl(it ast.FnDecl, skip bool) {
 		// TODO: remove this, when g.write_autofree_stmts_when_needed works properly
 		g.autofree_scope_vars(it.body_pos.pos)
 	}
-	if it.return_type != table.void_type {
-		mut default_expr := g.type_default(it.return_type)
+	if it.return_type != table.void_type && it.stmts.len > 0 && it.stmts.last() !is ast.Return {
+		default_expr := g.type_default(it.return_type)
 		// TODO: perf?
 		if default_expr == '{0}' {
 			g.writeln('\treturn ($type_name)$default_expr;')