diff --git a/llvm/lib/CodeGen/MachineDominanceFrontier.cpp b/llvm/lib/CodeGen/MachineDominanceFrontier.cpp
index 0bee846..acb7c48 100644
--- a/llvm/lib/CodeGen/MachineDominanceFrontier.cpp
+++ b/llvm/lib/CodeGen/MachineDominanceFrontier.cpp
@@ -8,8 +8,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/MachineDominanceFrontier.h"
-#include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/Analysis/DominanceFrontierImpl.h"
+#include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/Passes.h"