diff --git a/ChangeLog b/ChangeLog
index 765ce4642a..0ee6e42d64 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -77,6 +77,7 @@ VerboseMultiSubmit, ReplaceHelpImg
 + [designer] Fullscreen mode for the designer
 
 3.5.6.0 (not yet released)
+- bug #3593604 [status] Erroneous advisor rule
 
 3.5.5.0 (not yet released)
 - bug #3563824 [export] Support Apache's mod_deflate
diff --git a/libraries/advisory_rules.txt b/libraries/advisory_rules.txt
index 426c6968ad..06a53403fc 100644
--- a/libraries/advisory_rules.txt
+++ b/libraries/advisory_rules.txt
@@ -194,7 +194,7 @@ rule 'Query cache low memory prunes' [!PMA_DRIZZLE && Qcache_inserts > 0 && !fir
 
 rule 'Query cache max size' [!fired('Query cache disabled')]
 	query_cache_size
-	value > 1024 * 128
+	value > 1024 * 1024 * 128
 	The query cache size is above 128 MiB. Big query caches may cause significant overhead that is required to maintain the cache.
 	Depending on your environment, it might be performance increasing to reduce this value.
 	Current query cache size: %s | implode(' ',ADVISOR_formatByteDown(value, 2, 2))