diff --git a/package/base-files/files/etc/init.d/sysfixtime b/package/base-files/files/etc/init.d/sysfixtime
index ca19e78e02..4010e06f93 100755
--- a/package/base-files/files/etc/init.d/sysfixtime
+++ b/package/base-files/files/etc/init.d/sysfixtime
@@ -5,7 +5,7 @@ START=00
 
 boot() {
 	local curtime="$(date +%s)"
-	local maxtime="$(find /etc -type f -exec date +%s -r {} \; | sort -nr | head -n1)"
+	local maxtime="$(find /etc -type f -exec date -r {} +%s \; | sort -nr | head -n1)"
 	[ $curtime -lt $maxtime ] && date -s @$maxtime
 }