diff --git a/autotests/test_gbm_surface.cpp b/autotests/test_gbm_surface.cpp
--- a/autotests/test_gbm_surface.cpp
+++ b/autotests/test_gbm_surface.cpp
@@ -78,7 +78,7 @@
 void GbmSurfaceTest::testCreate()
 {
     GbmSurface surface(nullptr, 2, 3, 4, 5);
-    gbm_surface *native = surface;
+    gbm_surface *native = surface.surface();
     QVERIFY(surface);
     QCOMPARE(native->width, 2u);
     QCOMPARE(native->height, 3u);
@@ -91,7 +91,7 @@
     gbm_device dev{true};
     GbmSurface surface(&dev, 2, 3, 4, 5);
     QVERIFY(!surface);
-    gbm_surface *native = surface;
+    gbm_surface *native = surface.surface();
     QVERIFY(!native);
 }
 
diff --git a/plugins/platforms/drm/egl_gbm_backend.cpp b/plugins/platforms/drm/egl_gbm_backend.cpp
--- a/plugins/platforms/drm/egl_gbm_backend.cpp
+++ b/plugins/platforms/drm/egl_gbm_backend.cpp
@@ -162,7 +162,7 @@
         qCCritical(KWIN_DRM) << "Create gbm surface failed";
         return;
     }
-    o.eglSurface = eglCreatePlatformWindowSurfaceEXT(eglDisplay(), config(), (void *)((gbm_surface*)o.gbmSurface.get()), nullptr);
+    o.eglSurface = eglCreatePlatformWindowSurfaceEXT(eglDisplay(), config(), (void *)(o.gbmSurface->surface()), nullptr);
     if (o.eglSurface == EGL_NO_SURFACE) {
         qCCritical(KWIN_DRM) << "Create Window Surface failed";
         o.gbmSurface.reset();
diff --git a/plugins/platforms/drm/gbm_surface.h b/plugins/platforms/drm/gbm_surface.h
--- a/plugins/platforms/drm/gbm_surface.h
+++ b/plugins/platforms/drm/gbm_surface.h
@@ -42,7 +42,7 @@
         return m_surface != nullptr;
     }
 
-    operator gbm_surface*() const {
+    gbm_surface* surface() const {
         return m_surface;
     }