diff --git a/include/llvm/Target/TargetFrameInfo.h b/include/llvm/Target/TargetFrameInfo.h
index 2b968fab1a1..3bf1a007c18 100644
--- a/include/llvm/Target/TargetFrameInfo.h
+++ b/include/llvm/Target/TargetFrameInfo.h
@@ -14,6 +14,8 @@
 #ifndef LLVM_TARGET_TARGETFRAMEINFO_H
 #define LLVM_TARGET_TARGETFRAMEINFO_H
 
+#include <cstdlib>
+
 namespace llvm {
 
 class MachineFunction;