diff --git a/lib/Object/COFFObjectFile.cpp b/lib/Object/COFFObjectFile.cpp
index a3fdd5b..fe22242 100644
--- a/lib/Object/COFFObjectFile.cpp
+++ b/lib/Object/COFFObjectFile.cpp
@@ -421,7 +421,7 @@
 }
 
 COFFObjectFile::COFFObjectFile(MemoryBuffer *Object, error_code &ec)
-  : ObjectFile(Binary::isCOFF, Object, ec)
+  : ObjectFile(Binary::ID_COFF, Object, ec)
   , Header(0)
   , SectionTable(0)
   , SymbolTable(0)