--- htapp.cc.orig	2014-09-14 11:55:26.000000000 -0400
+++ htapp.cc	2018-03-18 15:31:13.604092939 -0400
@@ -3021,11 +3021,11 @@ void do_modal_resize()
 
 static uint isqr(uint u)
 {
 	uint a = 2;
 	uint b = u/a;
-	while (abs(a - b) > 1) {
+	while (a>b && a-b>1 || b>a && b-a>1) {
 		a = (a+b)/2;
 		b = u/a;
         }
 	return MIN(a, b);
 }