diff --git a/usr.sbin/config/mkmakefile.c b/usr.sbin/config/mkmakefile.c
index 8559c1af5060..11ed92ed1f36 100644
--- a/usr.sbin/config/mkmakefile.c
+++ b/usr.sbin/config/mkmakefile.c
@@ -313,7 +313,7 @@ makehints(void)
 	 */
 	if (versreq <= CONFIGVERS_ENVMODE_REQ)
 		fprintf(ofp, "int hintmode = %d;\n",
-			STAILQ_EMPTY(&hints) ? 1 : 0);
+			!STAILQ_EMPTY(&hints) ? 1 : 0);
 	fprintf(ofp, "char static_hints[] = {\n");
 	nvl = nvlist_create(0);
 	STAILQ_FOREACH(hint, &hints, hint_next) {
@@ -354,7 +354,7 @@ makeenv(void)
 	 */
 	if (versreq <= CONFIGVERS_ENVMODE_REQ)
 		fprintf(ofp, "int envmode = %d;\n",
-			STAILQ_EMPTY(&envvars) ? 1 : 0);
+			!STAILQ_EMPTY(&envvars) ? 1 : 0);
 	fprintf(ofp, "char static_env[] = {\n");
 	nvl = nvlist_create(0);
 	STAILQ_FOREACH(envvar, &envvars, envvar_next) {