diff --git a/instrumentation.go b/instrumentation.go
index bf0bc4eea..0402a1401 100644
--- a/instrumentation.go
+++ b/instrumentation.go
@@ -185,7 +185,7 @@ func newInstConfig(ctx context.Context, opts []InstrumentationOption) (instConfi
 
 	// Defaults.
 	if c.serviceName == "" {
-		c.serviceName = c.defualtServiceName()
+		c.serviceName = c.defaultServiceName()
 	}
 	if c.traceExp == nil {
 		var e error
@@ -201,7 +201,7 @@ func newInstConfig(ctx context.Context, opts []InstrumentationOption) (instConfi
 	return c, err
 }
 
-func (c instConfig) defualtServiceName() string {
+func (c instConfig) defaultServiceName() string {
 	name := "unknown_service"
 	if c.target.ExePath != "" {
 		name = fmt.Sprintf("%s:%s", name, filepath.Base(c.target.ExePath))
diff --git a/instrumentation_test.go b/instrumentation_test.go
index a9073ac2e..d638af53b 100644
--- a/instrumentation_test.go
+++ b/instrumentation_test.go
@@ -38,7 +38,7 @@ func TestWithServiceName(t *testing.T) {
 	// No service name provided - check for default value
 	c, err = newInstConfig(ctx, []InstrumentationOption{})
 	require.NoError(t, err)
-	assert.Equal(t, c.defualtServiceName(), c.serviceName)
+	assert.Equal(t, c.defaultServiceName(), c.serviceName)
 }
 
 func TestWithPID(t *testing.T) {