diff --git a/ase/cmn/unpack.h b/ase/cmn/unpack.h
index 2de58710..4cb187c4 100644
--- a/ase/cmn/unpack.h
+++ b/ase/cmn/unpack.h
@@ -1,5 +1,5 @@
 /*
- * $Id: unpack.h,v 1.1 2007-03-06 14:16:53 bacon Exp $
+ * $Id: unpack.h,v 1.2 2007-03-22 06:30:46 bacon Exp $
  *
  * {License}
  */
@@ -8,7 +8,7 @@
 	#pragma pack()
 #elif defined(__HP_aCC) || defined(__HP_cc)
 	#pragma PACK
-#elif defined(__MSC_VER) || defined(__BORLANDC__)
+#elif defined(_MSC_VER) || defined(__BORLANDC__)
 	#pragma pack(pop)
 #elif defined(__DECC)
 	#pragma pack(pop)