diff --git a/CHANGELOG.md b/CHANGELOG.md
index c117fe51a86..7bd3c9fc857 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,6 +48,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Bug Fixes
 
+* (apps/27-interchain-accounts) [\#4944](https://github.com/cosmos/ibc-go/pull/4944) Add missing proto interface registration.
+
 ## [v7.3.1](https://github.com/cosmos/ibc-go/releases/tag/v7.3.1) - 2023-10-20
 
 ### Dependencies
diff --git a/modules/apps/27-interchain-accounts/controller/types/codec.go b/modules/apps/27-interchain-accounts/controller/types/codec.go
index 6b684cf4618..747ccf8c89f 100644
--- a/modules/apps/27-interchain-accounts/controller/types/codec.go
+++ b/modules/apps/27-interchain-accounts/controller/types/codec.go
@@ -3,6 +3,7 @@ package types
 import (
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
 )
 
 // RegisterInterfaces registers the interchain accounts controller message types using the provided InterfaceRegistry
@@ -12,4 +13,5 @@ func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
 		&MsgRegisterInterchainAccount{},
 		&MsgSendTx{},
 	)
+	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }