diff --git a/src/_imaging.c b/src/_imaging.c
index 808112d57..7fee41114 100644
--- a/src/_imaging.c
+++ b/src/_imaging.c
@@ -3172,8 +3172,8 @@ _draw_lines(ImagingDrawObject *self, PyObject *args) {
 
     PyObject *data;
     int ink;
-    int width = 0;
-    if (!PyArg_ParseTuple(args, "Oi|i", &data, &ink, &width)) {
+    int width;
+    if (!PyArg_ParseTuple(args, "Oii", &data, &ink, &width)) {
         return NULL;
     }