diff --git a/INT.h.in b/INT.h.in
index c760b9e5c..ee4c4bb82 100644
--- a/INT.h.in
+++ b/INT.h.in
@@ -260,8 +260,6 @@ An includer may test the following macros after inclusion:
 # endif
 #elif defined(__SUNPRO_C) || defined(__SUNPRO_CC)
 # define @KWIML@_INT__NO_SCN8
-#elif defined(__HP_cc) || defined(__HP_aCC)
-# define @KWIML@_INT__NO_SCN8
 #elif defined(__BORLANDC__)
 # define @KWIML@_INT__NO_SCN8
 # define @KWIML@_INT__NO_SCN64
@@ -269,6 +267,8 @@ An includer may test the following macros after inclusion:
 # define @KWIML@_INT__NO_SCN8
 #elif defined(__WATCOMC__)
 # define @KWIML@_INT__NO_SCN8
+# elif defined(__hpux) /* HP runtime lacks support (any compiler) */
+# define @KWIML@_INT__NO_SCN8
 #endif
 
 /* 8-bit d, i */