diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc8dc2d2925..1b51ba8676a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -90,6 +90,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * (apps/29-fee) [\#1774](https://github.com/cosmos/ibc-go/pull/1774) Change non nil relayer assertion to non empty to avoid import/export issues for genesis upgrades. 
 * (apps/29-fee) [\#1278](https://github.com/cosmos/ibc-go/pull/1278) The URI path for the query to get all incentivized packets for a specific channel did not follow the same format as the rest of queries.
+* (modules/core/04-channel)[\#1919](https://github.com/cosmos/ibc-go/pull/1919) Fixed formatting of sequence for packet "acknowledgement written" logs.
 
 ## [v3.1.0](https://github.com/cosmos/ibc-go/releases/tag/v3.1.0) - 2022-04-16
 
diff --git a/modules/core/04-channel/keeper/packet.go b/modules/core/04-channel/keeper/packet.go
index 551e02e8b78..a4329ad75f1 100644
--- a/modules/core/04-channel/keeper/packet.go
+++ b/modules/core/04-channel/keeper/packet.go
@@ -361,7 +361,7 @@ func (k Keeper) WriteAcknowledgement(
 	// log that a packet acknowledgement has been written
 	k.Logger(ctx).Info(
 		"acknowledgement written",
-		"sequence", packet.GetSequence(),
+		"sequence", strconv.FormatUint(packet.GetSequence(), 10),
 		"src_port", packet.GetSourcePort(),
 		"src_channel", packet.GetSourceChannel(),
 		"dst_port", packet.GetDestPort(),