diff --git a/opengl/tests/lib/WindowSurface.cpp b/opengl/tests/lib/WindowSurface.cpp
index 1428945..2b76279 100644
--- a/opengl/tests/lib/WindowSurface.cpp
+++ b/opengl/tests/lib/WindowSurface.cpp
@@ -62,19 +62,10 @@
         return;
     }
 
-    SurfaceComposerClient::openGlobalTransaction();
-    err = sc->setLayer(0x7FFFFFFF);     // always on top
-    if (err != NO_ERROR) {
-        fprintf(stderr, "SurfaceComposer::setLayer error: %#x\n", err);
-        return;
-    }
-
-    err = sc->show();
-    if (err != NO_ERROR) {
-        fprintf(stderr, "SurfaceComposer::show error: %#x\n", err);
-        return;
-    }
-    SurfaceComposerClient::closeGlobalTransaction();
+    SurfaceComposerClient::Transaction{}
+            .setLayer(sc, 0x7FFFFFFF)
+            .show(sc)
+            .apply();
 
     mSurfaceControl = sc;
 }