diff --git a/reporter.go b/reporter.go
index b66cd1c8f..954739b77 100644
--- a/reporter.go
+++ b/reporter.go
@@ -1,7 +1,6 @@
 package httpexpect
 
 import (
-	"fmt"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -21,7 +20,7 @@ func NewAssertReporter(t assert.TestingT) *AssertReporter {
 
 // Errorf implements Reporter.Errorf.
 func (r *AssertReporter) Errorf(message string, args ...interface{}) {
-	r.backend.Fail(fmt.Sprintf(message, args...))
+	r.backend.Fail(message, args...)
 }
 
 // RequireReporter implements Reporter interface using `testify/require'
@@ -37,7 +36,7 @@ func NewRequireReporter(t require.TestingT) *RequireReporter {
 
 // Errorf implements Reporter.Errorf.
 func (r *RequireReporter) Errorf(message string, args ...interface{}) {
-	r.backend.FailNow(fmt.Sprintf(message, args...))
+	r.backend.FailNow(message, args...)
 }
 
 // FatalReporter is a struct that implements the Reporter interface
@@ -47,8 +46,8 @@ type FatalReporter struct {
 }
 
 // NewFatalReporter returns a new FatalReporter object.
-func NewFatalReporter(backend testing.TB) *FatalReporter {
-	return &FatalReporter{backend}
+func NewFatalReporter(t testing.TB) *FatalReporter {
+	return &FatalReporter{t}
 }
 
 // Errorf implements Reporter.Errorf.
diff --git a/reporter_test.go b/reporter_test.go
index 14606ac1e..48e456420 100644
--- a/reporter_test.go
+++ b/reporter_test.go
@@ -15,11 +15,11 @@ func (m *mockT) Fatalf(format string, args ...interface{}) {
 	m.fatalfInvoked = true
 }
 
-func TestFatalReporter(t *testing.T) {
+func TestReporter_FatalReporter(t *testing.T) {
 	mockBackend := &mockT{}
 	reporter := NewFatalReporter(mockBackend)
 
-	t.Run("Test Errorf", func(t *testing.T) {
+	t.Run("Errorf", func(t *testing.T) {
 		reporter.Errorf("Test failed with backend: %v", mockBackend)
 		assert.True(t, mockBackend.fatalfInvoked)
 	})