diff --git a/gui/admin-gui/src/main/resources/application.yml b/gui/admin-gui/src/main/resources/application.yml
index 630b6ea2384..0a7c608fe9e 100644
--- a/gui/admin-gui/src/main/resources/application.yml
+++ b/gui/admin-gui/src/main/resources/application.yml
@@ -6,6 +6,7 @@ spring:
     multipart:
       max-file-size: 100Mb
       max-request-size: 100Mb
+      file-size-threshold: 256Kb
 
 server:
   display-name: MidPoint