diff --git a/drm/DrmDevice.cpp b/drm/DrmDevice.cpp
index 5d46c36..4e750f8 100644
--- a/drm/DrmDevice.cpp
+++ b/drm/DrmDevice.cpp
@@ -145,10 +145,10 @@
   }
 #endif
 
-  ret = drmSetMaster(fd());
-  if (ret) {
-    ALOGE("drmSetMaster() failed with errno: %d", errno);
-    return std::make_tuple(ret, 0);
+  drmSetMaster(fd());
+  if (!drmIsMaster(fd())) {
+    ALOGE("DRM/KMS master access required");
+    return std::make_tuple(-EACCES, 0);
   }
 
   drmModeResPtr res = drmModeGetResources(fd());