diff --git a/src/dawn_native/metal/RenderPipelineMTL.mm b/src/dawn_native/metal/RenderPipelineMTL.mm
index 0397ba6..b96416c 100644
--- a/src/dawn_native/metal/RenderPipelineMTL.mm
+++ b/src/dawn_native/metal/RenderPipelineMTL.mm
@@ -283,10 +283,11 @@
         }
 
         MTLWinding MTLFrontFace(dawn::FrontFace face) {
+            // Note that these are inverted because we flip the Y coordinate in the vertex shader
             switch (face) {
-                case dawn::FrontFace::CCW:
-                    return MTLWindingCounterClockwise;
                 case dawn::FrontFace::CW:
+                    return MTLWindingCounterClockwise;
+                case dawn::FrontFace::CCW:
                     return MTLWindingClockwise;
             }
         }