diff --git a/core/src/xml/tree.rs b/core/src/xml/tree.rs
index ef45764f8..2aadb79b0 100644
--- a/core/src/xml/tree.rs
+++ b/core/src/xml/tree.rs
@@ -456,7 +456,7 @@ impl<'gc> XmlNode<'gc> {
                     result.push_byte(b' ');
                     result.push_str(&key);
                     result.push_str(WStr::from_units(b"=\""));
-                    result.push_str(WStr::from_units(value.as_bytes()));
+                    result.push_utf8(&value);
                     result.push_byte(b'"');
                 }
 
@@ -480,7 +480,7 @@ impl<'gc> XmlNode<'gc> {
             let value = self.0.read().node_value.unwrap();
             let value = value.to_utf8_lossy();
             let value = escape(&value);
-            result.push_str(WStr::from_units(value.as_bytes()));
+            result.push_utf8(&value);
         }
 
         Ok(())
diff --git a/tests/tests/swfs/avm1/xml_to_string/output.txt b/tests/tests/swfs/avm1/xml_to_string/output.txt
index f23748090..b605fe699 100644
--- a/tests/tests/swfs/avm1/xml_to_string/output.txt
+++ b/tests/tests/swfs/avm1/xml_to_string/output.txt
@@ -1,8 +1,13 @@
 <test />
 I&apos;m a <b>text node</b>!
+<продукция>Название_Name</продукция>
 <test><test2 /></test>
 I&apos;m a <b>text node</b>!
+<продукция>Название_Name</продукция>
 <test><test2>&quot;Test&quot; Node 2</test2></test>
 I&apos;m a <b>text node</b>!
+<продукция>Название_Name</продукция>
 <newNodeName><test><test2>&quot;Test&quot; Node 2</test2></test>
-I&apos;m a <b>text node</b>!</newNodeName>
+I&apos;m a <b>text node</b>!
+<продукция>Название_Name</продукция></newNodeName>
+<продукция>Название_Name</продукция>
diff --git a/tests/tests/swfs/avm1/xml_to_string/test.fla b/tests/tests/swfs/avm1/xml_to_string/test.fla
index bc8f305a3..43c80aa99 100644
Binary files a/tests/tests/swfs/avm1/xml_to_string/test.fla and b/tests/tests/swfs/avm1/xml_to_string/test.fla differ
diff --git a/tests/tests/swfs/avm1/xml_to_string/test.swf b/tests/tests/swfs/avm1/xml_to_string/test.swf
index 1c452d5f1..0b4b4017e 100644
Binary files a/tests/tests/swfs/avm1/xml_to_string/test.swf and b/tests/tests/swfs/avm1/xml_to_string/test.swf differ