diff --git a/internal/app/internal/setuid/seal.go b/internal/app/internal/setuid/seal.go
index 51ff16a..69b242a 100644
--- a/internal/app/internal/setuid/seal.go
+++ b/internal/app/internal/setuid/seal.go
@@ -393,7 +393,7 @@ func (seal *outcome) finalise(ctx context.Context, sys sys.State, config *hst.Co
 			appID := config.ID
 			if appID == "" {
 				// use instance ID in case app id is not set
-				appID = "uk.gensokyo.hakurei." + seal.id.String()
+				appID = "app.hakurei." + seal.id.String()
 			}
 			// downstream socket paths
 			outerPath := path.Join(share.instance(), "wayland")
diff --git a/print.go b/print.go
index a8ede63..4227d46 100644
--- a/print.go
+++ b/print.go
@@ -264,7 +264,7 @@ func printPs(output io.Writer, now time.Time, s state.Store, short, flagJSON boo
 			as = strconv.Itoa(e.Config.Identity)
 			id := e.Config.ID
 			if id == "" {
-				id = "uk.gensokyo.hakurei." + e.s[:8]
+				id = "app.hakurei." + e.s[:8]
 			}
 			as += " (" + id + ")"
 		}
diff --git a/print_test.go b/print_test.go
index 0c10804..883199d 100644
--- a/print_test.go
+++ b/print_test.go
@@ -460,8 +460,8 @@ func Test_printPs(t *testing.T) {
 		{"nil instance", state.Entries{testID: nil}, false, false, "    Instance    PID    Application    Uptime\n"},
 		{"state corruption", state.Entries{app.ID{}: testState}, false, false, "    Instance    PID    Application    Uptime\n"},
 
-		{"valid pd", state.Entries{testID: &state.State{ID: testID, PID: 1 << 8, Config: new(hst.Config), Time: testAppTime}}, false, false, `    Instance    PID    Application                         Uptime
-    8e2c76b0    256    0 (uk.gensokyo.hakurei.8e2c76b0)    1h2m32s
+		{"valid pd", state.Entries{testID: &state.State{ID: testID, PID: 1 << 8, Config: new(hst.Config), Time: testAppTime}}, false, false, `    Instance    PID    Application                 Uptime
+    8e2c76b0    256    0 (app.hakurei.8e2c76b0)    1h2m32s
 `},
 
 		{"valid", state.Entries{testID: testState}, false, false, `    Instance    PID           Application                  Uptime
diff --git a/sandbox/wl/wayland-bind.c b/sandbox/wl/wayland-bind.c
index bf76653..989ab74 100644
--- a/sandbox/wl/wayland-bind.c
+++ b/sandbox/wl/wayland-bind.c
@@ -73,9 +73,7 @@ int32_t hakurei_bind_wayland_fd(char *socket_path, int fd, const char *app_id,
   struct wp_security_context_v1 *security_context;
   security_context = wp_security_context_manager_v1_create_listener(
       security_context_manager, listen_fd, sync_fd);
-  wp_security_context_v1_set_sandbox_engine(security_context,
-                                            "uk.gensokyo.hakurei");
-
+  wp_security_context_v1_set_sandbox_engine(security_context, "app.hakurei");
   wp_security_context_v1_set_app_id(security_context, app_id);
   wp_security_context_v1_set_instance_id(security_context, instance_id);
   wp_security_context_v1_commit(security_context);