diff --git a/tools/llvm-readobj/ARMEHABIPrinter.h b/tools/llvm-readobj/ARMEHABIPrinter.h
index 6311948a164..2cba126aadf 100644
--- a/tools/llvm-readobj/ARMEHABIPrinter.h
+++ b/tools/llvm-readobj/ARMEHABIPrinter.h
@@ -10,6 +10,7 @@
 #ifndef LLVM_READOBJ_ARMEHABI_PRINTER_H
 #define LLVM_READOBJ_ARMEHABI_PRINTER_H
 
+#include "Error.h"
 #include "StreamWriter.h"
 #include "llvm/Object/ELF.h"
 #include "llvm/Object/ELFTypes.h"