diff --git a/rfctime/rfc3339Nano.go b/rfctime/rfc3339Nano.go
index f8df4c7..6bc9256 100644
--- a/rfctime/rfc3339Nano.go
+++ b/rfctime/rfc3339Nano.go
@@ -115,7 +115,11 @@ func (t RFC3339NanoTime) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.Value
 		return err
 	}
 
-	val.Set(reflect.ValueOf(t))
+	if val.Kind() == reflect.Ptr {
+		val.Set(reflect.ValueOf(&t))
+	} else {
+		val.Set(reflect.ValueOf(t))
+	}
 
 	return nil
 }