diff --git a/serde2/src/json/de.rs b/serde2/src/json/de.rs
index 85e23a4d..d0114875 100644
--- a/serde2/src/json/de.rs
+++ b/serde2/src/json/de.rs
@@ -32,6 +32,7 @@ impl<Iter: Iterator<Item=u8>> Parser<Iter> {
 
     #[inline]
     pub fn end(&mut self) -> Result<(), Error> {
+        self.parse_whitespace();
         if self.eof() {
             Ok(())
         } else {
@@ -735,4 +736,14 @@ mod tests {
             ),
         ]);
     }
+
+    #[test]
+    fn test_parse_trailing_whitespace() {
+        test_parse_ok(vec![
+            ("[1, 2] ", vec![1, 2]),
+            ("[1, 2]\n", vec![1, 2]),
+            ("[1, 2]\t", vec![1, 2]),
+            ("[1, 2]\t \n", vec![1, 2]),
+        ]);
+    }
 }