diff --git a/include/bx/float4_t.h b/include/bx/float4_t.h
index 384af27..0a92748 100644
--- a/include/bx/float4_t.h
+++ b/include/bx/float4_t.h
@@ -11,11 +11,7 @@
 
 #define BX_FLOAT4_INLINE BX_FORCE_INLINE
 
-#if BX_COMPILER_MSVC && (BX_ARCH_64BIT || _M_IX86_FP >= 2)
-#	define __SSE2__
-#endif // BX_COMPILER_
-
-#if defined(__SSE2__)
+#if defined(__SSE2__) || (BX_COMPILER_MSVC && (BX_ARCH_64BIT || _M_IX86_FP >= 2) )
 #	include "float4_sse.h"
 #elif 0 // __ARM_NEON__
 #	include "float4_neon.h"
diff --git a/include/bx/readerwriter.h b/include/bx/readerwriter.h
index 58d1cec..c77b8a8 100644
--- a/include/bx/readerwriter.h
+++ b/include/bx/readerwriter.h
@@ -6,9 +6,11 @@
 #ifndef __BX_READERWRITER_H__
 #define __BX_READERWRITER_H__
 
+#include <stdio.h>
 #include <string.h>
 
 #include "bx.h"
+#include "uint32_t.h"
 
 #if BX_COMPILER_MSVC
 #	define fseeko64 _fseeki64