diff --git a/gfx/thebes/AllOfDcomp.h b/gfx/thebes/AllOfDcomp.h
index 5b43182a5c6d..bd4448b68baa 100644
--- a/gfx/thebes/AllOfDcomp.h
+++ b/gfx/thebes/AllOfDcomp.h
@@ -6,7 +6,8 @@
 #ifndef mozilla_gfx_AllOfDcomp_h
 #define mozilla_gfx_AllOfDcomp_h
 
-// Getting everything that we need in dcomp.h defined means messing with some defines.
+// Getting everything that we need in dcomp.h defined means messing with some
+// defines.
 
 #if (_WIN32_WINNT < _WIN32_WINNT_WIN10)
 
diff --git a/gfx/webrender_bindings/DCLayerTree.cpp b/gfx/webrender_bindings/DCLayerTree.cpp
index ea3c82714eab..87bcbea065b5 100644
--- a/gfx/webrender_bindings/DCLayerTree.cpp
+++ b/gfx/webrender_bindings/DCLayerTree.cpp
@@ -38,7 +38,7 @@
 #if defined(__MINGW32__)  // 64 defines both 32 and 64
 // We need to fake some things, while we wait on updates to mingw's dcomp.h
 // header. Just enough that we can successfully fail to work there.
-#define MOZ_MINGW_DCOMP_H_OLD
+#  define MOZ_MINGW_DCOMP_H_OLD
 struct IDCompositionFilterEffect : public IDCompositionEffect {};
 struct IDCompositionColorMatrixEffect : public IDCompositionFilterEffect {};
 struct IDCompositionTableTransferEffect : public IDCompositionFilterEffect {};