diff --git a/drm/DrmPlane.cpp b/drm/DrmPlane.cpp
index 5001457..6b5cec1 100644
--- a/drm/DrmPlane.cpp
+++ b/drm/DrmPlane.cpp
@@ -148,7 +148,7 @@
 }
 
 bool DrmPlane::IsCrtcSupported(const DrmCrtc &crtc) const {
-  return ((1 << crtc.pipe()) & plane_->possible_crtcs) != 0;
+  return ((1 << crtc.GetIndexInResArray()) & plane_->possible_crtcs) != 0;
 }
 
 bool DrmPlane::IsValidForLayer(DrmHwcLayer *layer) {