diff --git a/src/ca/net_convert.h b/src/ca/net_convert.h
index 7781f38ba..779797e7f 100644
--- a/src/ca/net_convert.h
+++ b/src/ca/net_convert.h
@@ -38,19 +38,16 @@ extern "C" {
  * Here are the definitions for architecture dependent byte ordering 
  * and floating point format
  */
-#if defined(VAX) 
-#	define CA_FLOAT_MIT
-#	define CA_LITTLE_ENDIAN
-#elif defined(_M_IX86) || defined(_X86_) || defined(__i386__)
+#if defined (_M_IX86) || defined (_X86_) || defined (__i386__)
 #	define CA_FLOAT_IEEE
 #	define CA_LITTLE_ENDIAN
-#elif (defined(__ALPHA) && defined(VMS) || defined(__alpha)) && defined(VMS)
+#elif defined (VAX) 
 #	define CA_FLOAT_MIT
 #	define CA_LITTLE_ENDIAN
-#elif (defined(__ALPHA) && defined(__VMS) || defined(__alpha)) && defined(__VMS)
+#elif ( defined (__ALPHA) || defined (__alpha) ) && ( defined (VMS) || defined (__VMS) )
 #	define CA_FLOAT_MIT
 #	define CA_LITTLE_ENDIAN
-#elif (defined(__ALPHA) && defined(UNIX) || defined(__alpha)) && defined(UNIX)
+#elif ( defined (__ALPHA) || defined (__alpha) ) && defined (UNIX)
 #	define CA_FLOAT_IEEE
 #	define CA_LITTLE_ENDIAN
 #else