diff --git a/lib/System/DynamicLibrary.cpp b/lib/System/DynamicLibrary.cpp
index 0c3caac0f10..e458d84927e 100644
--- a/lib/System/DynamicLibrary.cpp
+++ b/lib/System/DynamicLibrary.cpp
@@ -22,7 +22,7 @@
 
 #ifdef LLVM_ON_WIN32
 
-#include "win32/DynamicLibrary.cpp"
+#include "Win32/DynamicLibrary.cpp"
 
 #else