diff --git a/src/main/java/net/gepafin/tendermanagement/dao/DocumentDao.java b/src/main/java/net/gepafin/tendermanagement/dao/DocumentDao.java
index 4f87d2bc..597e3c4f 100644
--- a/src/main/java/net/gepafin/tendermanagement/dao/DocumentDao.java
+++ b/src/main/java/net/gepafin/tendermanagement/dao/DocumentDao.java
@@ -99,19 +99,22 @@ public class DocumentDao {
 		log.info("Uploading files userId={}, sourceType={}, fileType={}", userId,sourceType,fileType);
 		List<DocumentEntity> documentEntities = new ArrayList<>();
 		Long source = resolveSourceId(sourceId, sourceType);
-		for (MultipartFile file : files) {
-			log.info("Uploading file '{}'", file.getOriginalFilename());
-			UploadFileOnAmazonS3Response uploadFileOnAmazonS3Response = uploadFileOnAmazonS3(file, sourceType, sourceId);
-			if (uploadFileOnAmazonS3Response != null) {
-				DocumentEntity documentEntity = new DocumentEntity();
-				documentEntity.setFileName(uploadFileOnAmazonS3Response.getFileName());
-				documentEntity.setSource(sourceType.getValue());
-				documentEntity.setSourceId(source);
-				documentEntity.setType(fileType.getValue());
-				documentEntity.setFilePath(uploadFileOnAmazonS3Response.getFilePath());
-				documentEntity.setIsDeleted(false);
-				documentEntity.setUploadedBy(userId);
-				documentEntities.add(documentEntity);
+
+		if(files!=null) {
+			for (MultipartFile file : files) {
+				log.info("Uploading file '{}'", file.getOriginalFilename());
+				UploadFileOnAmazonS3Response uploadFileOnAmazonS3Response = uploadFileOnAmazonS3(file, sourceType, sourceId);
+				if (uploadFileOnAmazonS3Response != null) {
+					DocumentEntity documentEntity = new DocumentEntity();
+					documentEntity.setFileName(uploadFileOnAmazonS3Response.getFileName());
+					documentEntity.setSource(sourceType.getValue());
+					documentEntity.setSourceId(source);
+					documentEntity.setType(fileType.getValue());
+					documentEntity.setFilePath(uploadFileOnAmazonS3Response.getFilePath());
+					documentEntity.setIsDeleted(false);
+					documentEntity.setUploadedBy(userId);
+					documentEntities.add(documentEntity);
+				}
 			}
 		}
 		documentRepository.saveAll(documentEntities);