diff --git lib/Headers/stdint.h lib/Headers/stdint.h
index 0303db9..8ca28df 100644
--- lib/Headers/stdint.h
+++ lib/Headers/stdint.h
@@ -22,8 +22,6 @@
  *
 \*===----------------------------------------------------------------------===*/
 
-#ifndef __CLANG_STDINT_H
-#define __CLANG_STDINT_H
 
 /* If we're hosted, fall back to the system's stdint.h, which might have
  * additional definitions.
@@ -72,6 +70,8 @@
 # endif
 
 #else
+#ifndef __CLANG_STDINT_H
+#define __CLANG_STDINT_H
 
 /* C99 7.18.1.1 Exact-width integer types.
  * C99 7.18.1.2 Minimum-width integer types.
@@ -703,5 +703,5 @@ typedef __UINTMAX_TYPE__ uintmax_t;
 #define INTMAX_C(v)   __INTN_C(__INTMAX_WIDTH__, v)
 #define UINTMAX_C(v) __UINTN_C(__INTMAX_WIDTH__, v)
 
-#endif /* __STDC_HOSTED__ */
 #endif /* __CLANG_STDINT_H */
+#endif /* __STDC_HOSTED__ */
