diff --git a/core/src/avm2/e4x.rs b/core/src/avm2/e4x.rs
index 6aa189143928..99b970071139 100644
--- a/core/src/avm2/e4x.rs
+++ b/core/src/avm2/e4x.rs
@@ -262,6 +262,10 @@ impl<'gc> E4XNode<'gc> {
             return false;
         }
 
+        if self.namespace().map(|ns| ns.uri) != other.namespace().map(|ns| ns.uri) {
+            return false;
+        }
+
         let this = self.0.read();
         let other = other.0.read();
 
diff --git a/tests/tests/swfs/avm2/xml_equals_namespace_check/output.txt b/tests/tests/swfs/avm2/xml_equals_namespace_check/output.txt
new file mode 100644
index 000000000000..da29283aaa47
--- /dev/null
+++ b/tests/tests/swfs/avm2/xml_equals_namespace_check/output.txt
@@ -0,0 +1,2 @@
+true
+false
diff --git a/tests/tests/swfs/avm2/xml_equals_namespace_check/test.swf b/tests/tests/swfs/avm2/xml_equals_namespace_check/test.swf
new file mode 100644
index 000000000000..8d03c97300af
Binary files /dev/null and b/tests/tests/swfs/avm2/xml_equals_namespace_check/test.swf differ
diff --git a/tests/tests/swfs/avm2/xml_equals_namespace_check/test.toml b/tests/tests/swfs/avm2/xml_equals_namespace_check/test.toml
new file mode 100644
index 000000000000..dbee897f5863
--- /dev/null
+++ b/tests/tests/swfs/avm2/xml_equals_namespace_check/test.toml
@@ -0,0 +1 @@
+num_frames = 1