diff --git a/core/src/avm2/globals/object.rs b/core/src/avm2/globals/object.rs
index f2b91806a..109f805f4 100644
--- a/core/src/avm2/globals/object.rs
+++ b/core/src/avm2/globals/object.rs
@@ -159,14 +159,8 @@ pub fn has_own_property<'gc>(
     let name: Result<&Value<'gc>, Error> = args.get(0).ok_or_else(|| "No name specified".into());
     let name = name?.coerce_to_string(activation)?;
 
-    if let Some(ns) = this.resolve_any(name)? {
-        if !ns.is_private() {
-            let qname = QName::new(ns, name);
-            return Ok(this.has_own_property(&qname)?.into());
-        }
-    }
-
-    Ok(false.into())
+    let qname = QName::dynamic_name(name);
+    Ok(this.has_own_property(&qname)?.into())
 }
 
 /// `Object.prototype.isPrototypeOf`
@@ -202,14 +196,8 @@ pub fn property_is_enumerable<'gc>(
     let name: Result<&Value<'gc>, Error> = args.get(0).ok_or_else(|| "No name specified".into());
     let name = name?.coerce_to_string(activation)?;
 
-    if let Some(ns) = this.resolve_any(name)? {
-        if !ns.is_private() {
-            let qname = QName::new(ns, name);
-            return Ok(this.property_is_enumerable(&qname).into());
-        }
-    }
-
-    Ok(false.into())
+    let qname = QName::dynamic_name(name);
+    Ok(this.property_is_enumerable(&qname).into())
 }
 
 /// `Object.prototype.setPropertyIsEnumerable`
@@ -224,16 +212,8 @@ pub fn set_property_is_enumerable<'gc>(
     let name = name?.coerce_to_string(activation)?;
 
     if let Some(Value::Bool(is_enum)) = args.get(1) {
-        if let Some(ns) = this.resolve_any(name)? {
-            if !ns.is_private() {
-                let qname = QName::new(ns, name);
-                this.set_local_property_is_enumerable(
-                    activation.context.gc_context,
-                    &qname,
-                    *is_enum,
-                )?;
-            }
-        }
+        let qname = QName::dynamic_name(name);
+        this.set_local_property_is_enumerable(activation.context.gc_context, &qname, *is_enum)?;
     }
 
     Ok(Value::Undefined)
diff --git a/tests/tests/regression_tests.rs b/tests/tests/regression_tests.rs
index 8b3184e43..da14ec316 100644
--- a/tests/tests/regression_tests.rs
+++ b/tests/tests/regression_tests.rs
@@ -707,6 +707,8 @@ swf_tests! {
     (as3_qname_tostring, "avm2/qname_tostring", 1),
     (as3_qname_valueof, "avm2/qname_valueof", 1),
     (as3_getouterscope, "avm2/getouterscope", 1),
+    (as3_hasownproperty_namespaces, "avm2/hasownproperty_namespaces", 1),
+    (as3_propertyisenumerable_namespaces, "avm2/propertyisenumerable_namespaces", 1),
 }
 
 // TODO: These tests have some inaccuracies currently, so we use approx_eq to test that numeric values are close enough.
diff --git a/tests/tests/swfs/avm2/hasownproperty_namespaces/Test.as b/tests/tests/swfs/avm2/hasownproperty_namespaces/Test.as
new file mode 100644
index 000000000..8a7859baa
--- /dev/null
+++ b/tests/tests/swfs/avm2/hasownproperty_namespaces/Test.as
@@ -0,0 +1,12 @@
+package {
+	public class Test {}
+}
+
+class ES4Class {
+	AS3 function as3_prop() {
+		
+	}
+}
+
+trace("///new ES4Class.hasOwnProperty(\"as3_prop\");");
+trace(new ES4Class().hasOwnProperty("as3_prop"));
\ No newline at end of file
diff --git a/tests/tests/swfs/avm2/hasownproperty_namespaces/output.txt b/tests/tests/swfs/avm2/hasownproperty_namespaces/output.txt
new file mode 100644
index 000000000..0ce11c476
--- /dev/null
+++ b/tests/tests/swfs/avm2/hasownproperty_namespaces/output.txt
@@ -0,0 +1,2 @@
+///new ES4Class.hasOwnProperty("as3_prop");
+false
diff --git a/tests/tests/swfs/avm2/hasownproperty_namespaces/test.fla b/tests/tests/swfs/avm2/hasownproperty_namespaces/test.fla
new file mode 100644
index 000000000..eac737de6
Binary files /dev/null and b/tests/tests/swfs/avm2/hasownproperty_namespaces/test.fla differ
diff --git a/tests/tests/swfs/avm2/hasownproperty_namespaces/test.swf b/tests/tests/swfs/avm2/hasownproperty_namespaces/test.swf
new file mode 100644
index 000000000..a3685a3f4
Binary files /dev/null and b/tests/tests/swfs/avm2/hasownproperty_namespaces/test.swf differ
diff --git a/tests/tests/swfs/avm2/propertyisenumerable_namespaces/Test.as b/tests/tests/swfs/avm2/propertyisenumerable_namespaces/Test.as
new file mode 100644
index 000000000..10eddfb4f
--- /dev/null
+++ b/tests/tests/swfs/avm2/propertyisenumerable_namespaces/Test.as
@@ -0,0 +1,18 @@
+package {
+	public class Test {}
+}
+
+dynamic class ES4Class {
+	AS3 function as3_prop() {
+		
+	}
+}
+
+trace("///new ES4Class.propertyIsEnumerable(\"as3_prop\");");
+trace(new ES4Class().propertyIsEnumerable("as3_prop"));
+
+trace("///new ES4Class.setPropertyIsEnumerable(\"as3_prop\", true);");
+trace(new ES4Class().setPropertyIsEnumerable("as3_prop", true));
+
+trace("///new ES4Class.propertyIsEnumerable(\"as3_prop\");");
+trace(new ES4Class().propertyIsEnumerable("as3_prop"));
\ No newline at end of file
diff --git a/tests/tests/swfs/avm2/propertyisenumerable_namespaces/output.txt b/tests/tests/swfs/avm2/propertyisenumerable_namespaces/output.txt
new file mode 100644
index 000000000..7f224cb7c
--- /dev/null
+++ b/tests/tests/swfs/avm2/propertyisenumerable_namespaces/output.txt
@@ -0,0 +1,6 @@
+///new ES4Class.propertyIsEnumerable("as3_prop");
+false
+///new ES4Class.setPropertyIsEnumerable("as3_prop", true);
+undefined
+///new ES4Class.propertyIsEnumerable("as3_prop");
+false
diff --git a/tests/tests/swfs/avm2/propertyisenumerable_namespaces/test.fla b/tests/tests/swfs/avm2/propertyisenumerable_namespaces/test.fla
new file mode 100644
index 000000000..eac737de6
Binary files /dev/null and b/tests/tests/swfs/avm2/propertyisenumerable_namespaces/test.fla differ
diff --git a/tests/tests/swfs/avm2/propertyisenumerable_namespaces/test.swf b/tests/tests/swfs/avm2/propertyisenumerable_namespaces/test.swf
new file mode 100644
index 000000000..b8d9ecb3f
Binary files /dev/null and b/tests/tests/swfs/avm2/propertyisenumerable_namespaces/test.swf differ