diff --git a/usr/lib/security-misc/permission-hardening b/usr/lib/security-misc/permission-hardening
index f653599..1b8046d 100755
--- a/usr/lib/security-misc/permission-hardening
+++ b/usr/lib/security-misc/permission-hardening
@@ -52,7 +52,7 @@ echo_wrapper_silent_audit() {
 
 sanity_tests() {
    echo_wrapper_silent_audit which \
-      capsh getcap setcap stat find dpkg-statoverride getent xargs grep
+      capsh getcap setcap stat find dpkg-statoverride getent xargs grep 1>/dev/null
 }
 
 add_nosuid_statoverride_entry() {