diff --git a/llvm/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.h b/llvm/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.h
index bc8cd53d84b4fa452d2b8da3d22683cdcf11a78e..3ca1ac65afc2aef078e410080fa6231a21d31aab 100644
--- a/llvm/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.h
+++ b/llvm/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.h
@@ -17,6 +17,7 @@
 #define LLVM_LIB_TARGET_R600_MCTARGETDESC_AMDGPUMCTARGETDESC_H
 
 #include "llvm/ADT/StringRef.h"
+#include "llvm/Support/DataTypes.h"
 
 namespace llvm {
 class MCAsmBackend;