diff --git a/src/google/protobuf/stubs/port.h b/src/google/protobuf/stubs/port.h
index d459a94446..31eb97862a 100644
--- a/src/google/protobuf/stubs/port.h
+++ b/src/google/protobuf/stubs/port.h
@@ -67,11 +67,11 @@
 #include <sys/isa_defs.h>  // __BYTE_ORDER
 #elif defined(_AIX) || defined(__TOS_AIX__)
 #include <sys/machine.h>  // BYTE_ORDER
+#elif defined(__QNX__)
+#include <sys/param.h>  // BYTE_ORDER
 #else
-#if !defined(__QNX__)
 #include <endian.h>  // __BYTE_ORDER
 #endif
-#endif
 #if ((defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)) ||   \
      (defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN) || \
      (defined(BYTE_ORDER) && BYTE_ORDER == LITTLE_ENDIAN)) &&      \