diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index 46be71d3f84..84018a61703 100644
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -24,7 +24,7 @@
 
 #include "llvm/Type.h"
 #include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/support/DataTypes.h"
+#include "llvm/Support/DataTypes.h"
 #include <vector>
 
 namespace llvm {