diff --git a/moo/configure b/moo/configure
index b217ade..6a94d9d 100755
--- a/moo/configure
+++ b/moo/configure
@@ -20930,7 +20930,7 @@ if test ${ax_cv_numvalof_PATH_MAX} -gt 0
 then
 
 cat >>confdefs.h <<_ACEOF
-#define QSE_PATH_MAX ${ax_cv_numvalof_PATH_MAX}
+#define MOO_PATH_MAX ${ax_cv_numvalof_PATH_MAX}
 _ACEOF
 
 fi
diff --git a/moo/configure.ac b/moo/configure.ac
index 7b7bcb9..1d3b173 100644
--- a/moo/configure.ac
+++ b/moo/configure.ac
@@ -562,7 +562,7 @@ AC_DEFINE_UNQUOTED(MOO_SIZEOF_MBSTATE_T, ${ac_cv_sizeof_mbstate_t}, [sizeof(mbst
 AC_DEFINE_UNQUOTED(MOO_MBLEN_MAX, ${ax_cv_numvalof_MB_LEN_MAX}, [MB_LEN_MAX])
 if test ${ax_cv_numvalof_PATH_MAX} -gt 0
 then
-	AC_DEFINE_UNQUOTED(QSE_PATH_MAX, ${ax_cv_numvalof_PATH_MAX}, [PATH_MAX])
+	AC_DEFINE_UNQUOTED(MOO_PATH_MAX, ${ax_cv_numvalof_PATH_MAX}, [PATH_MAX])
 fi
 
 AC_DEFINE_UNQUOTED(MOO_SIZEOF_STRUCT_SOCKADDR_IN, ${ac_cv_sizeof_struct_sockaddr_in}, [sizeof(struct sockaddr_in)])
diff --git a/moo/lib/moo-cfg.h.in b/moo/lib/moo-cfg.h.in
index b159655..cd24643 100644
--- a/moo/lib/moo-cfg.h.in
+++ b/moo/lib/moo-cfg.h.in
@@ -351,6 +351,9 @@
 /* Patch level */
 #undef MOO_PACKAGE_VERSION_PATCH
 
+/* PATH_MAX */
+#undef MOO_PATH_MAX
+
 /* Define if sa_family_t is signed */
 #undef MOO_SA_FAMILY_T_IS_SIGNED
 
@@ -475,9 +478,6 @@
    your system. */
 #undef PTHREAD_CREATE_JOINABLE
 
-/* PATH_MAX */
-#undef QSE_PATH_MAX
-
 /* The size of `char', as computed by sizeof. */
 #undef SIZEOF_CHAR