diff --git a/src/Core.h b/src/Core.h
index f2ac49afb..6724b74e8 100644
--- a/src/Core.h
+++ b/src/Core.h
@@ -152,7 +152,7 @@ Thus it is **NOT SAFE** to allocate a string on the stack. */
 #ifndef CC_BUILD_MANUAL
 #if defined _WIN32
 #define CC_BUILD_WIN
-#define CC_BUILD_D3D11
+#define CC_BUILD_D3D9
 #define CC_BUILD_WINGUI
 #define CC_BUILD_WININET
 #define CC_BUILD_WINMM