diff --git a/llvm/lib/Support/COM.cpp b/llvm/lib/Support/COM.cpp
index 525fbba..2e3ff66 100644
--- a/llvm/lib/Support/COM.cpp
+++ b/llvm/lib/Support/COM.cpp
@@ -13,7 +13,7 @@
 
 #include "llvm/Support/COM.h"
 
-#include "llvm/Config/config.h"
+#include "llvm/Config/llvm-config.h"
 
 // Include the platform-specific parts of this class.
 #ifdef LLVM_ON_UNIX