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 64ae6a68..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()))
 }
@@ -1181,6 +1181,8 @@ where
 
 #[test]
 fn test_not_in() {
+    use pretty_assertions::assert_eq;
+
     let tag = BytesStart::new("tag");
 
     assert_eq!(not_in(&[], &tag, Decoder::utf8()).unwrap(), true);
@@ -1192,4 +1194,18 @@ fn test_not_in() {
         not_in(&["some", "tag", "included"], &tag, Decoder::utf8()).unwrap(),
         false
     );
+
+    let tag_ns = BytesStart::new("ns1:tag");
+    assert_eq!(
+        not_in(&["no", "such", "tags"], &tag_ns, Decoder::utf8()).unwrap(),
+        true
+    );
+    assert_eq!(
+        not_in(&["some", "tag", "included"], &tag_ns, Decoder::utf8()).unwrap(),
+        false
+    );
+    assert_eq!(
+        not_in(&["some", "namespace", "ns1:tag"], &tag_ns, Decoder::utf8()).unwrap(),
+        true
+    );
 }
diff --git a/tests/serde-issues.rs b/tests/serde-issues.rs
index a3e95b9e..2726e45a 100644
--- a/tests/serde-issues.rs
+++ b/tests/serde-issues.rs
@@ -462,3 +462,35 @@ fn issue580() {
         }
     );
 }
+
+/// Regression test for https://github.com/tafia/quick-xml/issues/683.
+#[test]
+fn issue683() {
+    #[derive(Deserialize, Debug, PartialEq)]
+    enum ScheduleLocation {
+        #[serde(rename = "DT")]
+        Destination,
+    }
+
+    #[derive(Deserialize, Debug, PartialEq)]
+    #[allow(non_snake_case)]
+    struct Schedule {
+        cancelReason: Option<u32>,
+        #[serde(rename = "$value")]
+        locations: Vec<ScheduleLocation>,
+    }
+    let xml = r#"
+        <schedule xmlns:ns2="http://www.thalesgroup.com/rtti/PushPort/Schedules/v3">
+            <ns2:DT/>
+            <ns2:cancelReason>918</ns2:cancelReason>
+        </schedule>"#;
+    let result = quick_xml::de::from_str::<Schedule>(xml);
+    dbg!(&result);
+    assert_eq!(
+        result.unwrap(),
+        Schedule {
+            cancelReason: Some(918),
+            locations: vec![ScheduleLocation::Destination],
+        }
+    );
+}