--- a/src/bitvector64.h	2017-09-17 00:54:09.335463370 -0400
+++ b/src/bitvector64.h	2017-09-17 00:54:29.161997936 -0400
@@ -131,7 +131,8 @@
 
     /// Return the number of bits that are one.
     word_t cnt() const {
-	if (nset==0) do_cnt(); return (nset+cnt_ones(active.val));
+	if (nset==0) do_cnt();
+	return (nset+cnt_ones(active.val));
     };
 
     /// Return the total number of bits in the bit sequence.