diff --git a/reliability.c b/reliability.c
index b5eada3..e016d87 100644
--- a/reliability.c
+++ b/reliability.c
@@ -374,7 +374,7 @@ void HandleAcksForMessageRange(
 
 	/*messageholelimit checked here?*/
 
-	for (msgNum = minMessageNumber; msgNum < maxMessageNumber; msgNum++) {
+	for (msgNum = minMessageNumber; msgNum <= maxMessageNumber; msgNum++) {
 		ackedCounter = ReliabilityLayer__RemovePacketsConfirmedByAck(
 			this,
 			msgNum,