diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index d94ab9b31e..688b4f9f79 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -344,8 +344,11 @@ pub fn (mut c Checker) struct_init(mut struct_init ast.StructInit) table.Type {
 		c.error('cannot instantiate interface `$type_sym.name`', struct_init.pos)
 	}
 	if type_sym.kind == .alias {
-		c.error('cannot instantiate type alias `$type_sym.name`', struct_init.pos)
-		return table.void_type
+		info := type_sym.info as table.Alias
+		if info.parent_typ.is_number() {
+			c.error('cannot instantiate number type alias `$type_sym.name`', struct_init.pos)
+			return table.void_type
+		}
 	}
 	if !type_sym.is_public && type_sym.kind != .placeholder && type_sym.mod != c.mod {
 		c.error('type `$type_sym.name` is private', struct_init.pos)