diff --git a/cache.json b/cache.json
index bfcab34..1ae5e01 100644
--- a/cache.json
+++ b/cache.json
@@ -1 +1 @@
-{"textImage":{"used":[""],"blacklist":["a"]}}
\ No newline at end of file
+{"textImage":{"used":["",""],"blacklist":["a"]}}
\ No newline at end of file