diff --git a/llvm/lib/Target/AArch64/AArch64MachineLegalizer.h b/llvm/lib/Target/AArch64/AArch64MachineLegalizer.h
index 86708a558a3b..4e8d1f2ccb71 100644
--- a/llvm/lib/Target/AArch64/AArch64MachineLegalizer.h
+++ b/llvm/lib/Target/AArch64/AArch64MachineLegalizer.h
@@ -15,7 +15,7 @@
 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H
 #define LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H
 
-#include "llvm/CodeGen/GlobalISel/Machinelegalizer.h"
+#include "llvm/CodeGen/GlobalISel/MachineLegalizer.h"
 
 namespace llvm {