diff --git a/support/Makefile.in b/support/Makefile.in
index cbfd53099a..c38dc6491f 100644
--- a/support/Makefile.in
+++ b/support/Makefile.in
@@ -1,5 +1,5 @@
 DISTCLEAN_TARGETS = apxs apachectl dbmmanage log_server_status \
-	logresolve.pl phf_abuse_log.cgi split-logfile
+	logresolve.pl phf_abuse_log.cgi split-logfile envvars-std
 
 PROGRAMS = htpasswd htdigest rotatelogs logresolve ab checkgid htdbm
 TARGETS  = $(PROGRAMS)