diff --git a/Changelog.md b/Changelog.md
index 666bcf85..9aecbb9e 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -40,6 +40,7 @@ to get an offset of the error position. For `SyntaxError`s the range
 - [#684]: Fix incorrect position reported for `Error::IllFormed(DoubleHyphenInComment)`.
 - [#684]: Fix incorrect position reported for `Error::IllFormed(MissingDoctypeName)`.
 - [#704]: Fix empty tags with attributes not being expanded when `expand_empty_elements` is set to true.
+- [#683]: Use local tag name when check tag name against possible names for field.
 
 ### Misc Changes
 
@@ -72,6 +73,7 @@ to get an offset of the error position. For `SyntaxError`s the range
 [#629]: https://github.com/tafia/quick-xml/issues/629
 [#675]: https://github.com/tafia/quick-xml/pull/675
 [#677]: https://github.com/tafia/quick-xml/pull/677
+[#683]: https://github.com/tafia/quick-xml/issues/683
 [#684]: https://github.com/tafia/quick-xml/pull/684
 [#689]: https://github.com/tafia/quick-xml/pull/689
 [#704]: https://github.com/tafia/quick-xml/pull/704
diff --git a/src/de/map.rs b/src/de/map.rs
index 08367085..3989a64d 100644
--- a/src/de/map.rs
+++ b/src/de/map.rs
@@ -789,7 +789,7 @@ fn not_in(
     start: &BytesStart,
     decoder: Decoder,
 ) -> Result<bool, DeError> {
-    let tag = decoder.decode(start.name().into_inner())?;
+    let tag = decoder.decode(start.local_name().into_inner())?;
 
     Ok(fields.iter().all(|&field| field != tag.as_ref()))
 }