diff --git a/src/main/java/org/gcube/contentmanagement/blobstorage/transport/backend/MongoOperationManager.java b/src/main/java/org/gcube/contentmanagement/blobstorage/transport/backend/MongoOperationManager.java
index 60ad4f4..320a8c5 100644
--- a/src/main/java/org/gcube/contentmanagement/blobstorage/transport/backend/MongoOperationManager.java
+++ b/src/main/java/org/gcube/contentmanagement/blobstorage/transport/backend/MongoOperationManager.java
@@ -315,8 +315,8 @@ public class MongoOperationManager extends TransportManager{
 	public boolean exist(String remotePath){
 		boolean isPresent=false;
 		if(logger.isDebugEnabled())
-			logger.debug("MongoDB - get Size for pathServer: "+remotePath);
-		GridFSDBFile f = mongoPrimaryInstance.retrieveRemoteDescriptor(remotePath, null, true);
+			logger.debug("MongoDB - check if file exist: "+remotePath);
+		GridFSDBFile f = mongoPrimaryInstance.retrieveRemoteDescriptor(remotePath, null, false);
 		if(f!=null){
 			isPresent=true;
 		}