diff --git a/include/d3d12.idl b/include/d3d12.idl
index 307a4fd375c..201e01f07ef 100644
--- a/include/d3d12.idl
+++ b/include/d3d12.idl
@@ -1300,8 +1300,8 @@ typedef enum D3D12_COLOR_WRITE_ENABLE
     D3D12_COLOR_WRITE_ENABLE_GREEN = 0x2,
     D3D12_COLOR_WRITE_ENABLE_BLUE = 0x4,
     D3D12_COLOR_WRITE_ENABLE_ALPHA = 0x8,
-    D3D12_COLOR_WRITE_ENABLE_ALL = (D3D12_COLOR_WRITE_ENABLE_RED\
-            | D3D12_COLOR_WRITE_ENABLE_GREEN | D3D12_COLOR_WRITE_ENABLE_BLUE\
+    D3D12_COLOR_WRITE_ENABLE_ALL = (D3D12_COLOR_WRITE_ENABLE_RED
+            | D3D12_COLOR_WRITE_ENABLE_GREEN | D3D12_COLOR_WRITE_ENABLE_BLUE
             | D3D12_COLOR_WRITE_ENABLE_ALPHA),
 } D3D12_COLOR_WRITE_ENABLE;