diff --git a/Objects/intobject.c b/Objects/intobject.c
index c7137df..cbca495 100644
--- a/Objects/intobject.c
+++ b/Objects/intobject.c
@@ -565,7 +565,7 @@
 		return DIVMOD_ERROR;
 	}
 	/* (-sys.maxint-1)/-1 is the only overflow case. */
-	if (y == -1 && x < 0 && x == -x)
+	if (y == -1 && x == LONG_MIN)
 		return DIVMOD_OVERFLOW;
 	xdivy = x / y;
 	xmody = x - xdivy * y;