diff --git a/lib/Target/X86/X86COFFMachineModuleInfo.h b/lib/Target/X86/X86COFFMachineModuleInfo.h
index 1bd31b85203..5017af2e338 100644
--- a/lib/Target/X86/X86COFFMachineModuleInfo.h
+++ b/lib/Target/X86/X86COFFMachineModuleInfo.h
@@ -16,7 +16,7 @@
 
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/ADT/StringSet.h"
-#include "X86MachinefunctionInfo.h"
+#include "X86MachineFunctionInfo.h"
 
 namespace llvm {
   class X86MachineFunctionInfo;