diff --git a/src/dawn_native/opengl/RenderPipelineGL.cpp b/src/dawn_native/opengl/RenderPipelineGL.cpp
index 441df88..943dfbb 100644
--- a/src/dawn_native/opengl/RenderPipelineGL.cpp
+++ b/src/dawn_native/opengl/RenderPipelineGL.cpp
@@ -258,6 +258,11 @@
         ApplyDepthStencilState(gl, GetDepthStencilStateDescriptor(), &persistentPipelineState);
 
         gl.SampleMaski(0, GetSampleMask());
+        if (IsAlphaToCoverageEnabled()) {
+            gl.Enable(GL_SAMPLE_ALPHA_TO_COVERAGE);
+        } else {
+            gl.Disable(GL_SAMPLE_ALPHA_TO_COVERAGE);
+        }
 
         for (uint32_t attachmentSlot : IterateBitSet(GetColorAttachmentsMask())) {
             ApplyColorState(gl, attachmentSlot, GetColorStateDescriptor(attachmentSlot));