diff --git a/src/main/java/fr/titionfire/ffsaf/utils/Utils.java b/src/main/java/fr/titionfire/ffsaf/utils/Utils.java
index 1f6fd58..709786a 100644
--- a/src/main/java/fr/titionfire/ffsaf/utils/Utils.java
+++ b/src/main/java/fr/titionfire/ffsaf/utils/Utils.java
@@ -11,6 +11,7 @@ import java.io.*;
 import java.net.URISyntaxException;
 import java.net.URLConnection;
 import java.nio.file.Files;
+import java.util.Arrays;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.concurrent.CompletableFuture;
@@ -77,12 +78,14 @@ public class Utils {
 
             try (InputStream is = new BufferedInputStream(new ByteArrayInputStream(input))) {
                 String mimeType = URLConnection.guessContentTypeFromStream(is);
+                System.out.println(mimeType);
                 /*try {
                     mimeType = Magic.getMagicMatch(input, false).getMimeType();
                 } catch (MagicParseException | MagicMatchNotFoundException | MagicException e) {
                     mimeType = URLConnection.guessContentTypeFromStream(is);
                 }*/
                 String[] detectedExtensions = MimeTypes.findExtensionsByMimeTypes(mimeType, false);
+                System.out.println(Arrays.toString(detectedExtensions));
                 if (detectedExtensions.length == 0)
                     throw new IOException("Fail to detect file extension for MIME type " + mimeType);