diff --git a/internal/subroutine/authorization_model_generation.go b/internal/subroutine/authorization_model_generation.go
index 989212c9..b6532ebf 100644
--- a/internal/subroutine/authorization_model_generation.go
+++ b/internal/subroutine/authorization_model_generation.go
@@ -29,7 +29,8 @@ import (
 )
 
 const (
-	apiBindingFinalizer = "core.platform-mesh.io/apibinding-finalizer"
+	apiBindingFinalizer       = "core.platform-mesh.io/apibinding-finalizer"
+	corePlatformMeshApiExport = "core.platform-mesh.io"
 )
 
 func NewAuthorizationModelGenerationSubroutine(mcMgr mcmanager.Manager, allClient client.Client) *AuthorizationModelGenerationSubroutine {
@@ -195,7 +196,7 @@ func (a *AuthorizationModelGenerationSubroutine) Finalize(ctx context.Context, i
 // Finalizers implements lifecycle.Subroutine.
 func (a *AuthorizationModelGenerationSubroutine) Finalizers(instance lifecyclecontrollerruntime.RuntimeObject) []string {
 	binding := instance.(*kcpapisv1alpha2.APIBinding)
-	if strings.Contains(binding.Name, "platform-mesh.io") || strings.Contains(binding.Name, "kcp.io") {
+	if strings.HasSuffix(binding.Spec.Reference.Export.Name, "kcp.io") {
 		return []string{}
 	}
 	return []string{apiBindingFinalizer}
@@ -224,7 +225,7 @@ func (a *AuthorizationModelGenerationSubroutine) Process(ctx context.Context, in
 		return ctrl.Result{}, errors.NewOperatorError(err, true, true)
 	}
 
-	if binding.Spec.Reference.Export.Name == "core.platform-mesh.io" || strings.HasSuffix(binding.Spec.Reference.Export.Name, "kcp.io") {
+	if binding.Spec.Reference.Export.Name == corePlatformMeshApiExport || strings.HasSuffix(binding.Spec.Reference.Export.Name, "kcp.io") {
 		// If the APIExport is the core.platform-mesh.io, we can skip the model generation.
 		return ctrl.Result{}, nil
 	}
diff --git a/internal/subroutine/authorization_model_generation_test.go b/internal/subroutine/authorization_model_generation_test.go
index 09f8f358..62264b34 100644
--- a/internal/subroutine/authorization_model_generation_test.go
+++ b/internal/subroutine/authorization_model_generation_test.go
@@ -927,39 +927,38 @@ func TestAuthorizationModelGeneration_Finalizers(t *testing.T) {
 
 	tests := []struct {
 		name            string
-		bindingName     string
+		exportName      string
 		expectFinalizer bool
 	}{
 		{
-			name:            "returns finalizer when name has neither platform-mesh.io nor kcp.io",
-			bindingName:     "my-binding",
+			name:            "returns finalizer when export name is core.platform-mesh.io",
+			exportName:      "core.platform-mesh.io",
 			expectFinalizer: true,
 		},
 		{
-			name:            "returns no finalizer when name contains platform-mesh.io",
-			bindingName:     "core.platform-mesh.io-awuzd",
+			name:            "returns no finalizer when export name has suffix kcp.io",
+			exportName:      "tenancy.kcp.io",
 			expectFinalizer: false,
 		},
 		{
-			name:            "returns no finalizer when name contains kcp.io",
-			bindingName:     "tenancy.kcp.io-dr0q1",
+			name:            "returns no finalizer when export name is topology.kcp.io",
+			exportName:      "topology.kcp.io",
 			expectFinalizer: false,
 		},
 		{
-			name:            "returns no finalizer when name contains topology.kcp.io",
-			bindingName:     "topology.kcp.io-5oxoy",
+			name:            "returns no finalizer when export name is apis.kcp.io",
+			exportName:      "apis.kcp.io",
 			expectFinalizer: false,
 		},
 		{
-			name:            "returns no finalizer when name contains platform-mesh.io in the middle",
-			bindingName:     "something.platform-mesh.io-suffix",
-			expectFinalizer: false,
+			name:            "returns finalizer when export name has suffix platform-mesh.io but not kcp.io",
+			exportName:      "something.platform-mesh.io",
+			expectFinalizer: true,
 		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			binding := newApiBinding("foo", "bar")
-			binding.Name = tt.bindingName
+			binding := newApiBinding(tt.exportName, "root:orgs:test")
 			got := sub.Finalizers(binding)
 			if tt.expectFinalizer {
 				assert.Equal(t, []string{"core.platform-mesh.io/apibinding-finalizer"}, got)