diff --git a/packages/backend/src/misc/sql-like-escape.ts b/packages/backend/src/misc/sql-like-escape.ts
index 0c052556744e..6b4f51b00e44 100644
--- a/packages/backend/src/misc/sql-like-escape.ts
+++ b/packages/backend/src/misc/sql-like-escape.ts
@@ -4,5 +4,5 @@
  */
 
 export function sqlLikeEscape(s: string) {
-	return s.replace(/([%_])/g, '\\$1');
+	return s.replace(/([\\%_])/g, '\\$1');
 }