diff --git a/aclocal.m4 b/aclocal.m4
index d2fd9c3f8..784f1379f 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -12,22 +12,22 @@ dnl
 AC_DEFUN(SUDO_PROG_SENDMAIL, [AC_MSG_CHECKING(for sendmail)
 if test -f "/usr/sbin/sendmail"; then
     AC_MSG_RESULT(/usr/sbin/sendmail)
-    AC_DEFINE(_PATH_SENDMAIL, "/usr/sbin/sendmail")
+    AC_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/sbin/sendmail")
 elif test -f "/usr/lib/sendmail"; then
     AC_MSG_RESULT(/usr/lib/sendmail)
-    AC_DEFINE(_PATH_SENDMAIL, "/usr/lib/sendmail")
+    AC_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/lib/sendmail")
 elif test -f "/usr/etc/sendmail"; then
     AC_MSG_RESULT(/usr/etc/sendmail)
-    AC_DEFINE(_PATH_SENDMAIL, "/usr/etc/sendmail")
+    AC_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/etc/sendmail")
 elif test -f "/usr/ucblib/sendmail"; then
     AC_MSG_RESULT(/usr/ucblib/sendmail)
-    AC_DEFINE(_PATH_SENDMAIL, "/usr/ucblib/sendmail")
+    AC_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/ucblib/sendmail")
 elif test -f "/usr/local/lib/sendmail"; then
     AC_MSG_RESULT(/usr/local/lib/sendmail)
-    AC_DEFINE(_PATH_SENDMAIL, "/usr/local/lib/sendmail")
+    AC_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/local/lib/sendmail")
 elif test -f "/usr/local/bin/sendmail"; then
     AC_MSG_RESULT(/usr/local/bin/sendmail)
-    AC_DEFINE(_PATH_SENDMAIL, "/usr/local/bin/sendmail")
+    AC_DEFINE(_PATH_SUDO_SENDMAIL, "/usr/local/bin/sendmail")
 else
     AC_MSG_RESULT(not found)
 fi
diff --git a/configure.in b/configure.in
index 32f9ab889..1fb8283cf 100644
--- a/configure.in
+++ b/configure.in
@@ -647,7 +647,7 @@ AC_ARG_WITH(sendmail, [  --with-sendmail=path    set path to sendmail
     yes)	with_sendmail=""
 		;;
     no)		;;
-    *)		AC_DEFINE_UNQUOTED(_PATH_SENDMAIL, "$with_sendmail")
+    *)		AC_DEFINE_UNQUOTED(_PATH_SUDO_SENDMAIL, "$with_sendmail")
 		;;
 esac])
 
diff --git a/defaults.c b/defaults.c
index cd5102810..95fabd992 100644
--- a/defaults.c
+++ b/defaults.c
@@ -481,8 +481,8 @@ init_defaults()
     def_str(I_TIMESTAMPDIR) = estrdup(_PATH_SUDO_TIMEDIR);
     def_str(I_PASSPROMPT) = estrdup(PASSPROMPT);
     def_str(I_RUNAS_DEFAULT) = estrdup(RUNAS_DEFAULT);
-#ifdef _PATH_SENDMAIL
-    def_str(I_MAILERPATH) = estrdup(_PATH_SENDMAIL);
+#ifdef _PATH_SUDO_SENDMAIL
+    def_str(I_MAILERPATH) = estrdup(_PATH_SUDO_SENDMAIL);
     def_str(I_MAILERFLAGS) = estrdup("-t");
 #endif
 #if (LOGGING & SLOG_FILE)
diff --git a/pathnames.h.in b/pathnames.h.in
index 30e0f71b9..2267534c1 100644
--- a/pathnames.h.in
+++ b/pathnames.h.in
@@ -86,9 +86,9 @@
 #undef _PATH_SUDO_LOGFILE
 #endif /* _PATH_SUDO_LOGFILE */
 
-#ifndef _PATH_SENDMAIL
-#undef _PATH_SENDMAIL
-#endif /* _PATH_SENDMAIL */
+#ifndef _PATH_SUDO_SENDMAIL
+#undef _PATH_SUDO_SENDMAIL
+#endif /* _PATH_SUDO_SENDMAIL */
 
 #ifndef _PATH_VI
 #undef _PATH_VI