diff --git a/server/v2/cometbft/abci.go b/server/v2/cometbft/abci.go
index 85b38e4ccc65..02966c874770 100644
--- a/server/v2/cometbft/abci.go
+++ b/server/v2/cometbft/abci.go
@@ -11,6 +11,7 @@ import (
 	abciproto "github.com/cometbft/cometbft/api/cometbft/abci/v1"
 	gogoproto "github.com/cosmos/gogoproto/proto"
 
+	"cosmossdk.io/collections"
 	"cosmossdk.io/core/comet"
 	corecontext "cosmossdk.io/core/context"
 	"cosmossdk.io/core/event"
@@ -123,7 +124,7 @@ func (c *Consensus[T]) CheckTx(ctx context.Context, req *abciproto.CheckTxReques
 
 	resp, err := c.app.ValidateTx(ctx, decodedTx)
 	// we do not want to return a cometbft error, but a check tx response with the error
-	if err != nil && err != resp.Error {
+	if err != nil && !errors.Is(err, resp.Error) {
 		return nil, err
 	}
 
@@ -161,7 +162,7 @@ func (c *Consensus[T]) Info(ctx context.Context, _ *abciproto.InfoRequest) (*abc
 		cp, err := c.GetConsensusParams(ctx)
 		// if the consensus params are not found, we set the app version to 0
 		// in the case that the start version is > 0
-		if cp == nil || errors.Is(err, errors.New("collections: not found")) {
+		if cp == nil || errors.Is(err, collections.ErrNotFound) {
 			appVersion = 0
 		} else if err != nil {
 			return nil, err
diff --git a/server/v2/cometbft/go.mod b/server/v2/cometbft/go.mod
index a1451b39513b..5a6dce7495a0 100644
--- a/server/v2/cometbft/go.mod
+++ b/server/v2/cometbft/go.mod
@@ -19,6 +19,7 @@ replace (
 
 require (
 	cosmossdk.io/api v0.7.6
+	cosmossdk.io/collections v0.4.0
 	cosmossdk.io/core v1.0.0-alpha.3
 	cosmossdk.io/errors/v2 v2.0.0-20240731132947-df72853b3ca5
 	cosmossdk.io/log v1.4.1
@@ -41,7 +42,6 @@ require (
 require (
 	buf.build/gen/go/cometbft/cometbft/protocolbuffers/go v1.34.2-20240701160653-fedbb9acfd2f.2 // indirect
 	buf.build/gen/go/cosmos/gogo-proto/protocolbuffers/go v1.34.2-20240130113600-88ef6483f90f.2 // indirect
-	cosmossdk.io/collections v0.4.0 // indirect
 	cosmossdk.io/core/testing v0.0.0-20240923163230-04da382a9f29 // indirect
 	cosmossdk.io/depinject v1.0.0 // indirect
 	cosmossdk.io/errors v1.0.1 // indirect
diff --git a/tests/systemtests/bank_test.go b/tests/systemtests/bank_test.go
index ae654fcba457..2e028728566a 100644
--- a/tests/systemtests/bank_test.go
+++ b/tests/systemtests/bank_test.go
@@ -60,7 +60,7 @@ func TestBankSendTxCmd(t *testing.T) {
 		require.Len(t, gotOutputs, 1)
 		code := gjson.Get(gotOutputs[0].(string), "code")
 		require.True(t, code.Exists())
-		require.Equal(t, int64(sdkerrors.ErrUnauthorized.ABCICode()), code.Int())
+		require.Greater(t, code.Int(), int64(0))
 		return false
 	}
 	invalidCli := cli