1 files changed, 2 insertions, 2 deletions
diff --git a/charf.c b/charf.c
index b017532..1948971 100644
--- a/charf.c
+++ b/charf.c
@@ -160,8 +160,8 @@ int generate_each_charf(VALUETYPE* f, index_t i){
 	int d=2;
 	/*number of strings of length d that begin with 1 and end with 0*/
 	index_t powd = 1UL << d-2;
-	while(i-s >= powd-1){
-		s += powd-1;
+	while(i-s >= powd){
+		s += powd;
 		d++;
 		powd = powd << 1;
 	}