diff --git a/src/json-validator.cpp b/src/json-validator.cpp
index 3ffd087..c7c5f75 100644
--- a/src/json-validator.cpp
+++ b/src/json-validator.cpp
@@ -179,7 +179,7 @@ public:
 		auto fragment = new_uri.pointer();
 
 		// is there a reference looking for this unknown-keyword, which is thus no longer a unknown keyword but a schema
-		auto unresolved = file.unresolved.find(fragment);
+		auto unresolved = file.unresolved.find(fragment.to_string());
 		if (unresolved != file.unresolved.end())
 			schema::make(value, this, {}, {{new_uri}});
 		else { // no, nothing ref'd it, keep for later
diff --git a/src/nlohmann/json-schema.hpp b/src/nlohmann/json-schema.hpp
index ebe7cef..07befd3 100644
--- a/src/nlohmann/json-schema.hpp
+++ b/src/nlohmann/json-schema.hpp
@@ -61,7 +61,7 @@ protected:
 
 	std::tuple<std::string, std::string, std::string, std::string, std::string> as_tuple() const
 	{
-		return std::make_tuple(urn_, scheme_, authority_, path_, identifier_ != "" ? identifier_ : pointer_);
+		return std::make_tuple(urn_, scheme_, authority_, path_, identifier_ != "" ? identifier_ : pointer_.to_string());
 	}
 
 public:
@@ -80,7 +80,7 @@ public:
 	std::string fragment() const
 	{
 		if (identifier_ == "")
-			return pointer_;
+			return pointer_.to_string();
 		else
 			return identifier_;
 	}
diff --git a/test/binary-validation.cpp b/test/binary-validation.cpp
index 01392cf..4a9c7ea 100644
--- a/test/binary-validation.cpp
+++ b/test/binary-validation.cpp
@@ -163,7 +163,7 @@ int main()
 	val.set_root_schema(array_of_types_without_binary);
 	val.validate({{"something", binary}}, err);
 	EXPECT_EQ(err.failed_pointers.size(), 1);
-	EXPECT_EQ(err.failed_pointers[0], "/something");
+	EXPECT_EQ(err.failed_pointers[0].to_string(), "/something");
 	err.reset();
 
 	// check that without content callback you get exception with schema with contentEncoding or contentMeditType
diff --git a/test/uri.cpp b/test/uri.cpp
index 9083cd3..38c81ee 100644
--- a/test/uri.cpp
+++ b/test/uri.cpp
@@ -75,11 +75,11 @@ static void pointer_plain_name(json_uri start,
 	a = a.derive("#foo/looks_like_json/poiner/but/isnt");
 	EXPECT_EQ(a, full + " # foo/looks_like_json/poiner/but/isnt");
 	EXPECT_EQ(a.identifier(), "foo/looks_like_json/poiner/but/isnt");
-	EXPECT_EQ(a.pointer(), "");
+	EXPECT_EQ(a.pointer().to_string(), "");
 
 	a = a.derive("#/looks_like_json/poiner/and/it/is");
 	EXPECT_EQ(a, full + " # /looks_like_json/poiner/and/it/is");
-	EXPECT_EQ(a.pointer(), "/looks_like_json/poiner/and/it/is");
+	EXPECT_EQ(a.pointer().to_string(), "/looks_like_json/poiner/and/it/is");
 	EXPECT_EQ(a.identifier(), "");
 }