diff --git a/test/unittest/schematest.cpp b/test/unittest/schematest.cpp
index 4780516..30b3260 100644
--- a/test/unittest/schematest.cpp
+++ b/test/unittest/schematest.cpp
@@ -1281,6 +1281,12 @@ TEST(SchemaValidatingWriter, Simple) {
     EXPECT_TRUE(validator.GetInvalidDocumentPointer() == SchemaDocument::PointerType(""));
 }
 
+TEST(Schema, Issue848) {
+    rapidjson::Document d;
+    rapidjson::SchemaDocument s(d);
+    rapidjson::GenericSchemaValidator<rapidjson::SchemaDocument, rapidjson::Document> v(s);
+}
+
 #if RAPIDJSON_HAS_CXX11_RVALUE_REFS
 
 static SchemaDocument ReturnSchemaDocument() {