diff --git a/java/src/main/java/com/goofy/GoofyFiles/duplication/DuplicationService.java b/java/src/main/java/com/goofy/GoofyFiles/duplication/DuplicationService.java
index 3dbd313..c434600 100644
--- a/java/src/main/java/com/goofy/GoofyFiles/duplication/DuplicationService.java
+++ b/java/src/main/java/com/goofy/GoofyFiles/duplication/DuplicationService.java
@@ -303,7 +303,7 @@ public Map<String, Object> processAndStoreFileCompressed(
         chunkEntity.setData(compressedData);
         // Vous pouvez ajouter une propriété pour stocker la taille originale si besoin,
         // ex :
-        // chunkEntity.setOriginalSize(chunk.getData().length);
+        chunkEntity.setCompressionType(compressionType.name());
 
         // Stocker le hash selon l'algorithme
         switch (algorithm) {
diff --git a/java/src/main/java/com/goofy/GoofyFiles/model/ChunkEntity.java b/java/src/main/java/com/goofy/GoofyFiles/model/ChunkEntity.java
index 0d24ea4..4ee5d01 100644
--- a/java/src/main/java/com/goofy/GoofyFiles/model/ChunkEntity.java
+++ b/java/src/main/java/com/goofy/GoofyFiles/model/ChunkEntity.java
@@ -4,7 +4,13 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import jakarta.persistence.*;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
 
 @Entity
 @Table(name = "chunk")
@@ -31,6 +37,9 @@ public class ChunkEntity {
   @OneToMany(mappedBy = "chunk")
   private List<FileChunkEntity> fileChunks = new ArrayList<>();
 
+  @Column(name = "compression_type")
+  private String compressionType;
+
   // Getters and setters
   public Long getId() {
     return id;
@@ -79,4 +88,12 @@ public LocalDateTime getCreatedAt() {
   public List<FileChunkEntity> getFileChunks() {
     return fileChunks;
   }
+
+  public String getCompressionType() {
+    return compressionType;
+  }
+
+  public void setCompressionType(String compressionType) {
+    this.compressionType = compressionType;
+  }
 }
\ No newline at end of file
diff --git a/java/src/test/java/com/goofy/GoofyFiles/duplication/DuplicationPerformanceTest.java b/java/src/test/java/com/goofy/GoofyFiles/duplication/DuplicationPerformanceTest.java
index c47078b..cb6aee6 100644
--- a/java/src/test/java/com/goofy/GoofyFiles/duplication/DuplicationPerformanceTest.java
+++ b/java/src/test/java/com/goofy/GoofyFiles/duplication/DuplicationPerformanceTest.java
@@ -143,6 +143,9 @@ void testProcessAndStoreFileCompressed(@TempDir Path tempDir) throws IOException
         assertNotNull(result.get("duplicateChunks"));
         assertNotNull(result.get("totalCompressedSize"));
 
+        // Nouvelle assertion pour la méthode de compression
+        assertEquals(CompressionService.CompressionType.LZ4.name(), result.get("compressionType"));
+
         // Vérifier que la taille compressée totale est inférieure à la somme des
         // tailles originales
         List<Chunk> chunks = chunkingService.chunkFile(testFile);