diff --git a/util/board_status/board_status.sh b/util/board_status/board_status.sh
index 292bffac73..f5254f1a91 100755
--- a/util/board_status/board_status.sh
+++ b/util/board_status/board_status.sh
@@ -501,7 +501,7 @@ if [ $(grep -- -dirty "${tmpdir}/${results}/coreboot_console.txt") ]; then
 	exit $EXIT_FAILURE
 fi
 
-if [ $(grep -- unknown "${tmpdir}/${results}/coreboot_timestamps.txt") ]; then
+if [ $(grep -- unknown "${tmpdir}/${results}/coreboot_timestamps.txt" >/dev/null 2>&1) ]; then
 	echo "Unknown timestamps found in 'coreboot_timestamps.txt'." \
 	"Please rebuild the 'cbmem' utility and try again."
 	exit $EXIT_FAILURE