diff --git a/deps/ox/src/ox/std/test/CMakeLists.txt b/deps/ox/src/ox/std/test/CMakeLists.txt
index 85052f76..8914db50 100644
--- a/deps/ox/src/ox/std/test/CMakeLists.txt
+++ b/deps/ox/src/ox/std/test/CMakeLists.txt
@@ -22,3 +22,4 @@ add_test("[ox/std] StringSplit" StdTest "StringSplit")
 add_test("[ox/std] FromHex" StdTest "FromHex")
 add_test("[ox/std] ToHex" StdTest "ToHex")
 add_test("[ox/std] UUID" StdTest "UUID")
+add_test("[ox/std] UUID::generate" StdTest "UUID::generate")
diff --git a/deps/ox/src/ox/std/test/tests.cpp b/deps/ox/src/ox/std/test/tests.cpp
index 61f2ec5c..f6c6f391 100644
--- a/deps/ox/src/ox/std/test/tests.cpp
+++ b/deps/ox/src/ox/std/test/tests.cpp
@@ -210,6 +210,16 @@ static std::map<ox::String, ox::Error(*)()> tests = {
 			return OxError(0);
 		}
 	},
+	{
+		"UUID::generate",
+		[] {
+			ox::UUID::seedGenerator({1234, 4321});
+			oxExpect(ox::UUID::generate().unwrap().toString(), "c8f4bff1-d403-4576-fd3b-0c41f1cd8b7d");
+			oxExpect(ox::UUID::generate().unwrap().toString(), "0d1b7dad-7d50-49b6-916d-c3d811b5af0a");
+			oxExpect(ox::UUID::generate().unwrap().toString(), "e3889e0b-4dcd-47b2-b3eb-492ea958d3e4");
+			return OxError(0);
+		}
+	},
 	{
 		"StringSplit",
 		[] {
diff --git a/deps/ox/src/ox/std/uuid.cpp b/deps/ox/src/ox/std/uuid.cpp
index 4e9c833f..df080d99 100644
--- a/deps/ox/src/ox/std/uuid.cpp
+++ b/deps/ox/src/ox/std/uuid.cpp
@@ -27,7 +27,8 @@ Result<UUID> UUID::generate() noexcept {
 	for (auto &v : out.m_value) {
 		v = static_cast<uint8_t>(s_rand.gen() % 255);
 	}
-	out.m_value[6] = 4;
+	out.m_value[6] &= 0x0f;
+	out.m_value[6] |= 4 << 4;
 	return out;
 }