diff --git a/scripts/check-frontend.sh b/scripts/check-frontend.sh
index bb67766..156e418 100755
--- a/scripts/check-frontend.sh
+++ b/scripts/check-frontend.sh
@@ -100,7 +100,7 @@ grep -q "query AdminPlayerTrace" index.html
 grep -q 'adminPlayerTrace(accountId: \$accountId, limit: \$limit, offset: \$offset)' index.html
 grep -q 'function renderDecisionTrace' index.html
 grep -q 'appendFormattedJson(pre, group)' index.html
-grep -q "JSON.stringify(value, null, '\\t')" index.html
+grep -Fq "JSON.stringify(value, null, '\\t')" index.html
 grep -q 'json-token-key' index.html
 grep -q 'json-token-string' index.html
 grep -q 'debug-enabled' index.html