diff --git a/modules/apps/27-interchain-accounts/keeper/relay.go b/modules/apps/27-interchain-accounts/keeper/relay.go
index baf6009b2e1..15ddfdf7bd3 100644
--- a/modules/apps/27-interchain-accounts/keeper/relay.go
+++ b/modules/apps/27-interchain-accounts/keeper/relay.go
@@ -202,7 +202,7 @@ func (k Keeper) OnRecvPacket(ctx sdk.Context, packet channeltypes.Packet) error
 	var data types.IBCAccountPacketData
 
 	if err := types.ModuleCdc.UnmarshalJSON(packet.GetData(), &data); err != nil {
-		return sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "cannot unmarshal interchain account packet data: %s", err.Error())
+		return sdkerrors.Wrapf(types.ErrUnknownPacketData, "cannot unmarshal ICS-27 interchain account packet data")
 	}
 
 	switch data.Type {