diff --git a/r18dev_remove_duplicates.user.js b/r18dev_remove_duplicates.user.js
index e8cb6ca..17f519f 100644
--- a/r18dev_remove_duplicates.user.js
+++ b/r18dev_remove_duplicates.user.js
@@ -3,7 +3,7 @@
 // @namespace   Violentmonkey Scripts
 // @match       https://r18.dev/videos/vod/movies/list/*
 // @grant       none
-// @version     1.12
+// @version     1.13
 // @author      Lukáš Kucharczyk
 // @description Removes duplicate entries in the list of movies on r18.dev.
 // @downloadURL https://git.kucharczyk.xyz/lukas/userscripts/raw/branch/main/r18dev_remove_duplicates.user.js
@@ -21,7 +21,7 @@ function filterVideos() {
   }
   
   // Regex to match "Letters-Numbers" (e.g., AAA-111)
-  const regex = /[a-zA-Z]+-[0-9]+/;
+  const regex = /^[a-zA-Z]+-[0-9]+$/;
   let removedCount = 0; // Changed to 'let' so it can be incremented
 
   videos.forEach(video => {