diff -up caps-0.9.24/AutoFilter.cc~ caps-0.9.24/AutoFilter.cc

--- caps-0.9.24/AutoFilter.cc~	2016-02-20 17:22:07.000000000 +0100

+++ caps-0.9.24/AutoFilter.cc	2016-02-20 17:22:30.081209456 +0100

@@ -69,7 +69,7 @@ AutoFilter::activate()

 void

 AutoFilter::cycle (uint frames)

 {

-	div_t qr = div (frames, blocksize);

+	div_t qr = div ((int)frames, (int)blocksize);

 	int blocks = qr.quot;

 	if (qr.rem) ++blocks;

 	double over_blocks = 1./blocks;