diff --git a/flowkit/gateway/mocks/Gateway.go b/flowkit/gateway/mocks/Gateway.go
index 3d04bfa04..5fd4ba569 100644
--- a/flowkit/gateway/mocks/Gateway.go
+++ b/flowkit/gateway/mocks/Gateway.go
@@ -1,4 +1,4 @@
-// Code generated by mockery v2.28.2. DO NOT EDIT.
+// Code generated by mockery v2.36.0. DO NOT EDIT.
 
 package mocks
 
@@ -432,13 +432,12 @@ func (_m *Gateway) SendSignedTransaction(_a0 *flow.Transaction) (*flow.Transacti
 	return r0, r1
 }
 
-type mockConstructorTestingTNewGateway interface {
+// NewGateway creates a new instance of Gateway. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewGateway(t interface {
 	mock.TestingT
 	Cleanup(func())
-}
-
-// NewGateway creates a new instance of Gateway. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-func NewGateway(t mockConstructorTestingTNewGateway) *Gateway {
+}) *Gateway {
 	mock := &Gateway{}
 	mock.Mock.Test(t)
 
diff --git a/flowkit/mocks/Services.go b/flowkit/mocks/Services.go
index 1605a8f41..d78805928 100644
--- a/flowkit/mocks/Services.go
+++ b/flowkit/mocks/Services.go
@@ -1,10 +1,9 @@
-// Code generated by mockery v2.28.2. DO NOT EDIT.
+// Code generated by mockery v2.36.0. DO NOT EDIT.
 
 package mocks
 
 import (
 	cadence "github.com/onflow/cadence"
-
 	accounts "github.com/onflow/flow-cli/flowkit/accounts"
 
 	config "github.com/onflow/flow-cli/flowkit/config"
@@ -609,13 +608,12 @@ func (_m *Services) SignTransactionPayload(_a0 context.Context, _a1 *accounts.Ac
 	return r0, r1
 }
 
-type mockConstructorTestingTNewServices interface {
+// NewServices creates a new instance of Services. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewServices(t interface {
 	mock.TestingT
 	Cleanup(func())
-}
-
-// NewServices creates a new instance of Services. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-func NewServices(t mockConstructorTestingTNewServices) *Services {
+}) *Services {
 	mock := &Services{}
 	mock.Mock.Test(t)
 
diff --git a/internal/transactions/send.go b/internal/transactions/send.go
index 78f036fc1..6a6d73a0e 100644
--- a/internal/transactions/send.go
+++ b/internal/transactions/send.go
@@ -95,8 +95,14 @@ func send(
 
 	signerName := sendFlags.Signer
 
-	if signerName == "" && proposer == nil && payer == nil && len(authorizers) == 0 {
-		signerName = state.Config().Emulators.Default().ServiceAccount
+	if signerName == "" {
+		if proposer == nil && payer == nil && len(authorizers) == 0 {
+			signerName = state.Config().Emulators.Default().ServiceAccount
+		} else {
+			if proposer == nil || payer == nil {
+				return nil, fmt.Errorf("proposer/payer flags are required when signer flag is not used")
+			}
+		}
 	}
 
 	if signerName != "" {
diff --git a/internal/transactions/transactions_test.go b/internal/transactions/transactions_test.go
index 84f5900c0..cb459f8ae 100644
--- a/internal/transactions/transactions_test.go
+++ b/internal/transactions/transactions_test.go
@@ -189,7 +189,24 @@ func Test_Send(t *testing.T) {
 		sendFlags.Signer = "" // reset
 	})
 
+	t.Run("Fail signer not used and payer and proposer flags not set", func(t *testing.T) {
+		sendFlags.Payer = ""
+		sendFlags.Proposer = config.DefaultEmulator.ServiceAccount
+		_, err := send([]string{""}, command.GlobalFlags{}, util.NoLogger, srv.Mock, state)
+		assert.EqualError(t, err, "proposer/payer flags are required when signer flag is not used")
+		sendFlags.Signer = "" // reset
+
+		sendFlags.Proposer = ""
+		sendFlags.Payer = config.DefaultEmulator.ServiceAccount
+		_, err = send([]string{""}, command.GlobalFlags{}, util.NoLogger, srv.Mock, state)
+		assert.EqualError(t, err, "proposer/payer flags are required when signer flag is not used")
+		sendFlags.Signer = "" // reset
+
+	})
+
 	t.Run("Fail loading transaction file", func(t *testing.T) {
+		sendFlags.Proposer = config.DefaultEmulator.ServiceAccount
+		sendFlags.Payer = config.DefaultEmulator.ServiceAccount
 		_, err := send([]string{"invalid"}, command.GlobalFlags{}, util.NoLogger, srv.Mock, state)
 		assert.EqualError(t, err, "error loading transaction file: open invalid: file does not exist")
 	})