diff --git a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java
index f09c36201..5811c27d9 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java
@@ -2186,7 +2186,9 @@ public class DataManagementPlanManager {
             doiModel = new Doi().fromDataModel(doiEntity);
 
         }
-        Files.deleteIfExists(supportingFilesZip.toPath());
+        if(supportingFilesZip != null) {
+            Files.deleteIfExists(supportingFilesZip.toPath());
+        }
         Files.deleteIfExists(file.getFile().toPath());
 
         return doiModel;