diff --git a/vnrecode/application.py b/vnrecode/application.py
index d32a3cf..c7cb7cd 100755
--- a/vnrecode/application.py
+++ b/vnrecode/application.py
@@ -42,6 +42,7 @@ class Application:
                 for future in as_completed(futures):
                     future.result()
 
+        self.utils.print_duplicates()
         self.utils.get_compression_status(source)
         self.utils.sys_pause()
         print(f"Time taken: {datetime.now() - start_time}")
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diff --git a/vnrecode/compress.py b/vnrecode/compress.py
index 75202ee..249061e 100644
--- a/vnrecode/compress.py
+++ b/vnrecode/compress.py
@@ -46,7 +46,7 @@ class Compress:
 
     def audio(self, in_dir, file, out_dir, extension):
         bit_rate = self.params.audio_bitrate
-        out_file = self.utils.check_duplicates(f'{out_dir}/{os.path.splitext(file)[0]}.{extension}')
+        out_file = self.utils.check_duplicates(in_dir, out_dir, f'{os.path.splitext(file)[0]}.{extension}')
         try:
             (FFmpeg()
              .input(f'{in_dir}/{file}')
@@ -65,7 +65,7 @@ class Compress:
 
     def video(self, in_dir, file, out_dir, extension):
         if not self.params.video_skip:
-            out_file = self.utils.check_duplicates(f'{out_dir}/{os.path.splitext(file)[0]}.{extension}')
+            out_file = self.utils.check_duplicates(in_dir, out_dir, f'{os.path.splitext(file)[0]}.{extension}')
             codec = self.params.video_codec
             crf = self.params.video_crf
 
@@ -91,7 +91,7 @@ class Compress:
 
     def image(self, in_dir, file, out_dir, extension):
         quality = self.params.image_quality
-        out_file = self.utils.check_duplicates(f"{out_dir}/{os.path.splitext(file)[0]}.{extension}")
+        out_file = self.utils.check_duplicates(in_dir, out_dir, f"{os.path.splitext(file)[0]}.{extension}")
         try:
             image = Image.open(f'{in_dir}/{file}')
 
@@ -127,7 +127,7 @@ class Compress:
     def unknown(self, in_dir, filename, out_dir):
         if self.params.force_compress:
             self.printer.unknown_file(filename)
-            out_file = self.utils.check_duplicates(f'{out_dir}/{filename}')
+            out_file = self.utils.check_duplicates(in_dir, out_dir, filename)
             try:
                 (FFmpeg()
                  .input(f'{in_dir}/{filename}')
@@ -144,7 +144,6 @@ class Compress:
             self.utils.add_unprocessed_file(f'{in_dir}/{filename}', f'{out_dir}/{filename}')
             return f'{out_dir}/{filename}'
 
-
     def compress(self, _dir, filename, source, output):
         match File.get_type(filename):
             case "audio":
@@ -157,7 +156,7 @@ class Compress:
                 out_file = self.unknown(_dir, filename, output)
 
         if self.params.mimic_mode:
-            os.rename(out_file, f'{_dir}/{filename}'.replace(source, f"{source}_compressed"))
+            self.utils.mimic_rename(out_file, f'{_dir}/{filename}', source)
 
         self.printer.bar.update()
         self.printer.bar.next()
diff --git a/vnrecode/utils.py b/vnrecode/utils.py
index 040da09..96b7db9 100644
--- a/vnrecode/utils.py
+++ b/vnrecode/utils.py
@@ -1,4 +1,5 @@
 from shutil import copyfile
+from glob import glob
 import sys
 import os
 
@@ -8,6 +9,7 @@ class Utils:
         self.errors = 0
         self.params = params
         self.printer = printer
+        self.duplicates = []
 
     @staticmethod
     def sys_pause():
@@ -61,11 +63,24 @@ class Utils:
             copyfile(orig_folder, new_folder)
             self.printer.info(f"File {filename} copied to compressed folder.")
 
-    def check_duplicates(self, new_folder):
-        filename = new_folder.split().pop()
-        if os.path.exists(new_folder):
+    def check_duplicates(self, in_dir, out_dir, filename):
+        duplicates = glob(f"{in_dir}/{os.path.splitext(filename)[0]}.*")
+        if len(duplicates) > 1:
+            if filename in self.duplicates:
+                new_name = os.path.splitext(filename)[0] + "(vncopy)" + os.path.splitext(filename)[1]
+                return f"{out_dir}/{new_name}"
+            self.duplicates.append(filename)
+        return f"{out_dir}/{filename}"
+
+    def print_duplicates(self):
+        for filename in self.duplicates:
             self.printer.warning(
                 f'Duplicate file has been found! Check manually this files - "{filename}", '
-                f'"{os.path.splitext(filename)[0] + "(copy)" + os.path.splitext(filename)[1]}"')
-            return os.path.splitext(new_folder)[0] + "(copy)" + os.path.splitext(new_folder)[1]
-        return new_folder
+                f'"{os.path.splitext(filename)[0] + "(vncopy)" + os.path.splitext(filename)[1]}"')
+
+    @staticmethod
+    def mimic_rename(filename, target, source):
+        if filename.count("(vncopy)"):
+            target = os.path.splitext(target)[0] + "(vncopy)" + os.path.splitext(target)[1]
+
+        os.rename(filename, target.replace(source, f"{source}_compressed"))
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