diff --git a/src/com/owncloud/android/lib/resources/files/ChunkedUploadRemoteFileOperation.java b/src/com/owncloud/android/lib/resources/files/ChunkedUploadRemoteFileOperation.java
index d5dd096f..4e5d2318 100644
--- a/src/com/owncloud/android/lib/resources/files/ChunkedUploadRemoteFileOperation.java
+++ b/src/com/owncloud/android/lib/resources/files/ChunkedUploadRemoteFileOperation.java
@@ -32,6 +32,7 @@ import java.io.RandomAccessFile;
 import java.nio.channels.FileChannel;
 import java.util.Random;
 
+import org.apache.commons.httpclient.Header;
 import org.apache.commons.httpclient.methods.PutMethod;
 
 import com.owncloud.android.lib.common.OwnCloudClient;
@@ -49,6 +50,7 @@ public class ChunkedUploadRemoteFileOperation extends UploadRemoteFileOperation
     public static final long CHUNK_SIZE = 1024000;
     private static final String OC_CHUNKED_HEADER = "OC-Chunked";
     private static final String OC_CHUNK_SIZE_HEADER = "OC-Chunk-Size";
+    private static final String OC_CHUNK_X_OC_MTIME_HEADER = "X-OC-Mtime";
     private static final String TAG = ChunkedUploadRemoteFileOperation.class.getSimpleName();
 
     public ChunkedUploadRemoteFileOperation(String storagePath, String remotePath, String mimeType){
@@ -99,6 +101,12 @@ public class ChunkedUploadRemoteFileOperation extends UploadRemoteFileOperation
                 mPutMethod.addRequestHeader(OC_CHUNKED_HEADER, OC_CHUNKED_HEADER);
                 mPutMethod.addRequestHeader(OC_CHUNK_SIZE_HEADER, chunkSizeStr);
                 mPutMethod.addRequestHeader(OC_TOTAL_LENGTH_HEADER, totalLengthStr);
+
+                // Tell to the server what is the last modification date of the file to upload
+                Long timeStampLong = System.currentTimeMillis()/1000;
+                String timeStamp = timeStampLong.toString();
+                mPutMethod.addRequestHeader(OC_CHUNK_X_OC_MTIME_HEADER, timeStamp);
+
                 ((ChunkFromFileChannelRequestEntity) mEntity).setOffset(offset);
                 mPutMethod.setRequestEntity(mEntity);
                 if (mCancellationRequested.get()) {
@@ -115,6 +123,9 @@ public class ChunkedUploadRemoteFileOperation extends UploadRemoteFileOperation
 
                 status = client.executeMethod(mPutMethod);
 
+                // DELETE NEXT LINE
+                Header[] headers = mPutMethod.getResponseHeaders();
+
                 if (status == 400) {
                     InvalidCharacterExceptionParser xmlParser =
                             new InvalidCharacterExceptionParser();