diff --git a/library/src/androidTest/java/com/owncloud/android/lib/resources/files/ReadFileVersionsRemoteOperationIT.kt b/library/src/androidTest/java/com/owncloud/android/lib/resources/files/ReadFileVersionsRemoteOperationIT.kt
index c01d1938fb..771c2cf96e 100644
--- a/library/src/androidTest/java/com/owncloud/android/lib/resources/files/ReadFileVersionsRemoteOperationIT.kt
+++ b/library/src/androidTest/java/com/owncloud/android/lib/resources/files/ReadFileVersionsRemoteOperationIT.kt
@@ -22,12 +22,13 @@ class ReadFileVersionsRemoteOperationIT : AbstractIT() {
     fun listVersions() {
         val txtFile = getFile(ASSETS__TEXT_FILE_NAME)
         val filePath = "/test.md"
+        val mimetype = "text/markdown"
 
         var uploadResult =
             UploadFileRemoteOperation(
                 txtFile.absolutePath,
                 filePath,
-                "txt/plain",
+                mimetype,
                 System.currentTimeMillis() / MILLI_TO_SECOND
             )
                 .execute(client)
@@ -48,7 +49,7 @@ class ReadFileVersionsRemoteOperationIT : AbstractIT() {
             // with NC26+ we always have a starting version
             versionCount++
         }
-        assertEquals(versionCount, sutResult.data.size)
+        assertEquals(versionCount, sutResult.resultData.size)
 
         // modify file to have a version
         FileWriter(txtFile).apply {
@@ -61,7 +62,7 @@ class ReadFileVersionsRemoteOperationIT : AbstractIT() {
             UploadFileRemoteOperation(
                 txtFile.absolutePath,
                 filePath,
-                "txt/plain",
+                mimetype,
                 System.currentTimeMillis() / MILLI_TO_SECOND
             )
                 .execute(client)
@@ -75,6 +76,11 @@ class ReadFileVersionsRemoteOperationIT : AbstractIT() {
         assertTrue(sutResult.isSuccess)
 
         versionCount++
-        assertEquals(versionCount, sutResult.data.size)
+        val versions = sutResult.resultData
+        assertEquals(versionCount, versions.size)
+        versions[0].apply {
+            assertTrue(fileLength > 0)
+            assertEquals(mimetype, mimeType)
+        }
     }
 }
diff --git a/library/src/main/java/com/owncloud/android/lib/resources/files/ReadFileVersionsRemoteOperation.java b/library/src/main/java/com/owncloud/android/lib/resources/files/ReadFileVersionsRemoteOperation.java
index c18a6beece..c1d74dac02 100644
--- a/library/src/main/java/com/owncloud/android/lib/resources/files/ReadFileVersionsRemoteOperation.java
+++ b/library/src/main/java/com/owncloud/android/lib/resources/files/ReadFileVersionsRemoteOperation.java
@@ -27,12 +27,12 @@
  * Remote operation performing the read of remote versions on Nextcloud server.
  */
 
-public class ReadFileVersionsRemoteOperation extends RemoteOperation {
+public class ReadFileVersionsRemoteOperation extends RemoteOperation<ArrayList<FileVersion>> {
 
     private static final String TAG = ReadFileVersionsRemoteOperation.class.getSimpleName();
 
     private final long localId;
-    private ArrayList<Object> versions;
+    private ArrayList<FileVersion> versions;
 
     /**
      * Constructor
@@ -49,8 +49,8 @@ public ReadFileVersionsRemoteOperation(long fileId) {
      * @param client Client object to communicate with the remote ownCloud server.
      */
     @Override
-    protected RemoteOperationResult run(OwnCloudClient client) {
-        RemoteOperationResult result = null;
+    protected RemoteOperationResult<ArrayList<FileVersion>> run(OwnCloudClient client) {
+        RemoteOperationResult<ArrayList<FileVersion>> result = null;
         PropFindMethod query = null;
 
         try {
@@ -69,34 +69,34 @@ protected RemoteOperationResult run(OwnCloudClient client) {
                 readData(dataInServer, client);
 
                 // Result of the operation
-                result = new RemoteOperationResult(true, query);
+                result = new RemoteOperationResult<>(true, query);
                 // Add data to the result
                 if (result.isSuccess()) {
-                    result.setData(versions);
+                    result.setResultData(versions);
                 }
             } else {
                 // synchronization failed
                 client.exhaustResponse(query.getResponseBodyAsStream());
-                result = new RemoteOperationResult(false, query);
+                result = new RemoteOperationResult<>(false, query);
             }
         } catch (Exception e) {
-            result = new RemoteOperationResult(e);
+            result = new RemoteOperationResult<>(e);
         } finally {
             if (query != null)
                 query.releaseConnection();  // let the connection available for other methods
 
             if (result == null) {
-                result = new RemoteOperationResult(new Exception("unknown error"));
-                Log_OC.e(TAG, "Synchronized file with id " + localId + ": failed");
+                result = new RemoteOperationResult<>(new Exception("unknown error"));
+                Log_OC.e(TAG, "Read file version for " + localId + ": failed");
             } else {
                 if (result.isSuccess()) {
-                    Log_OC.i(TAG, "Synchronized file with id " + localId + ": " + result.getLogMessage());
+                    Log_OC.i(TAG, "Read file version for " + localId + ": " + result.getLogMessage());
                 } else {
                     if (result.isException()) {
-                        Log_OC.e(TAG, "Synchronized with id " + localId + ": " + result.getLogMessage(),
-                                 result.getException());
+                        Log_OC.e(TAG, "Read file version for " + localId + ": " + result.getLogMessage(),
+                                result.getException());
                     } else {
-                        Log_OC.w(TAG, "Synchronized with id " + localId + ": " + result.getLogMessage());
+                        Log_OC.w(TAG, "Read file version for " + localId + ": " + result.getLogMessage());
                     }
                 }
             }
@@ -119,7 +119,10 @@ private void readData(MultiStatus remoteData, OwnCloudClient client) {
 
         // loop to update every child
         for (int i = 1; i < remoteData.getResponses().length; ++i) {
-            versions.add(new FileVersion(localId, new WebdavEntry(remoteData.getResponses()[i], splitElement)));
+            versions.add(new FileVersion(
+                    localId,
+                    new WebdavEntry(remoteData.getResponses()[i], splitElement))
+            );
         }
     }
 }
diff --git a/library/src/main/java/com/owncloud/android/lib/resources/files/model/FileVersion.java b/library/src/main/java/com/owncloud/android/lib/resources/files/model/FileVersion.java
index e41a1e8052..774507430c 100644
--- a/library/src/main/java/com/owncloud/android/lib/resources/files/model/FileVersion.java
+++ b/library/src/main/java/com/owncloud/android/lib/resources/files/model/FileVersion.java
@@ -71,7 +71,7 @@ public boolean isFolder() {
 
     @Override
     public long getFileLength() {
-        return 0;
+        return fileLength;
     }
 
     public void setMimeType(String mimeType) {