diff --git a/src/main/kotlin/xyz/alexcrea/cuanvil/util/AnvilColorUtil.kt b/src/main/kotlin/xyz/alexcrea/cuanvil/util/AnvilColorUtil.kt
index 35ed486..5996d9f 100644
--- a/src/main/kotlin/xyz/alexcrea/cuanvil/util/AnvilColorUtil.kt
+++ b/src/main/kotlin/xyz/alexcrea/cuanvil/util/AnvilColorUtil.kt
@@ -247,7 +247,7 @@ object AnvilColorUtil {
         if (rightIndex == -1 || (newleftIndex != -1 && newleftIndex < rightIndex)) return false
 
         // Then finally we use minimessage to check for tag
-        val expectedTag = builder.substring(leftIndex, newleftIndex + 1)
+        val expectedTag = builder.substring(leftIndex, newleftIndex + index + 1)
         val notag = MiniMessageUtil.mm.stripTags(expectedTag)
 
         return notag != expectedTag