diff --git a/src/tests.rs b/src/tests.rs
index bcbccc7..5acffa9 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -548,6 +548,20 @@ fn test_mismatched_lua_ref() {
     f.call::<_, ()>(s).unwrap();
 }
 
+#[test]
+fn test_lua_registry_ownership() {
+    let lua1 = Lua::new();
+    let lua2 = Lua::new();
+
+    let r1 = lua1.create_registry_value("hello").unwrap();
+    let r2 = lua2.create_registry_value("hello").unwrap();
+
+    assert!(lua1.owns_registry_value(&r1));
+    assert!(!lua2.owns_registry_value(&r1));
+    assert!(lua2.owns_registry_value(&r2));
+    assert!(!lua1.owns_registry_value(&r2));
+}
+
 #[test]
 #[should_panic]
 fn test_mismatched_registry_key() {