diff --git a/src/lib.rs b/src/lib.rs
index 357c1a91..ce698ace 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -280,6 +280,7 @@ fn raise_dumps_exception_dynamic(err: &String) -> *mut PyObject {
         PyErr_NormalizeException(&mut tp, &mut val, &mut traceback);
 
         if !cause_tp.is_null() {
+            PyErr_NormalizeException(&mut cause_tp, &mut cause_val, &mut cause_traceback);
             PyException_SetCause(val, cause_val);
             Py_DECREF(cause_tp);
         }
diff --git a/test/test_error.py b/test/test_error.py
index 08d226ba..c7e09959 100644
--- a/test/test_error.py
+++ b/test/test_error.py
@@ -183,3 +183,9 @@ def test_dumps_chain_default_customerror(self):
         assert exc_info.type == orjson.JSONEncodeError
         assert isinstance(exc_info.value.__cause__, CustomException)
         assert str(exc_info.value.__cause__) == CUSTOM_ERROR_MESSAGE
+
+    def test_dumps_normalize_exception(self):
+        with pytest.raises(orjson.JSONEncodeError) as exc_info:
+            orjson.dumps(10**60)
+        assert exc_info.type == orjson.JSONEncodeError
+        assert isinstance(exc_info.value.__cause__, OverflowError)