diff --git a/product/CMFActivity/Activity/Queue.py b/product/CMFActivity/Activity/Queue.py
index 4a500d0a900f43faa7f7d2d60ddd61f7924f8713..7480ba970c614ecfafae39f0f6123071ba9a72a6 100755
--- a/product/CMFActivity/Activity/Queue.py
+++ b/product/CMFActivity/Activity/Queue.py
@@ -41,7 +41,7 @@ INVALID_ORDER  = 2
 # Time global parameters
 SECONDS_IN_DAY = 86400.0
 MAX_PROCESSING_TIME = 900 / SECONDS_IN_DAY # in fractions of day
-VALIDATION_ERROR_DELAY = 120 / SECONDS_IN_DAY # in fractions of day
+VALIDATION_ERROR_DELAY = 30 / SECONDS_IN_DAY # in fractions of day
 
 class Queue:
   """
@@ -233,4 +233,4 @@ class Queue:
     """
       delay is provided in fractions of day
     """
-    pass
\ No newline at end of file
+    pass