diff --git a/drmdisplaycompositor.cpp b/drmdisplaycompositor.cpp
index 4a904b2..f1d925a 100644
--- a/drmdisplaycompositor.cpp
+++ b/drmdisplaycompositor.cpp
@@ -399,7 +399,7 @@
   display_comp->layers().emplace_back();
   DrmHwcLayer &pre_comp_layer = display_comp->layers().back();
   pre_comp_layer.sf_handle = fb.buffer()->handle;
-  pre_comp_layer.blending = DrmHwcBlending::kCoverage;
+  pre_comp_layer.blending = DrmHwcBlending::kPreMult;
   pre_comp_layer.source_crop = DrmHwcRect<float>(0, 0, width, height);
   pre_comp_layer.display_frame = DrmHwcRect<int>(0, 0, width, height);
   ret = pre_comp_layer.buffer.ImportBuffer(fb.buffer()->handle,
@@ -543,7 +543,7 @@
         return ret;
       }
       squash_layer.sf_handle = fb.buffer()->handle;
-      squash_layer.blending = DrmHwcBlending::kCoverage;
+      squash_layer.blending = DrmHwcBlending::kPreMult;
       squash_layer.source_crop = DrmHwcRect<float>(
           0, 0, squash_layer.buffer->width, squash_layer.buffer->height);
       squash_layer.display_frame = DrmHwcRect<int>(