diff --git a/src/rc/rc-misc.c b/src/rc/rc-misc.c
index 2c9903c3..e676ad9e 100644
--- a/src/rc/rc-misc.c
+++ b/src/rc/rc-misc.c
@@ -51,7 +51,7 @@ rc_conf_yesno(const char *setting)
 
 static const char *const env_whitelist[] = {
 	"EERROR_QUIET", "EINFO_QUIET",
-	"IN_BACKGROUND", "IN_HOTPLUG",
+	"IN_BACKGROUND", "IN_DRYRUN", "IN_HOTPLUG",
 	"LANG", "LC_MESSAGES", "TERM",
 	"EINFO_COLOR", "EINFO_VERBOSE",
 	NULL