diff --git a/src/vertexdecl.cpp b/src/vertexdecl.cpp
index b9783807b..809e0e3d6 100644
--- a/src/vertexdecl.cpp
+++ b/src/vertexdecl.cpp
@@ -9,6 +9,7 @@
 #include <bx/uint32_t.h>
 #include <bx/string.h>
 
+#include "config.h"
 #include "vertexdecl.h"
 
 namespace bgfx