diff --git a/Misc/ACKS b/Misc/ACKS
index d893297f71b..188e78d0e6a 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -23,6 +23,7 @@ Donovan Baarda
 Alfonso Baciero
 Stig Bakken
 Greg Ball
+Luigi Ballabio
 Cesar Eduardo Barros
 Des Barry
 Ulf Bartelt
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index 370b518a5e2..20792ac812f 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -180,7 +180,6 @@ typedef int pid_t;
 #define HAVE_LONG_LONG 1
 #define LONG_LONG __int64
 
-#undef HAVE_HYPOT
 #undef HAVE_SYS_UTIME_H
 #define HAVE_UTIME_H
 #define HAVE_DIRENT_H