diff --git a/master.cfg b/master.cfg
index 894cd57..a5de411 100644
--- a/master.cfg
+++ b/master.cfg
@@ -997,9 +997,18 @@ def load_config (c):
             s['treeStableTimer'] = None
             s['fileIsImportant'] = DefaultGDBfileIsImportant
         else:
-            s['dayOfWeek'] = int (s['dayOfWeek'])
-            s['hour'] = int (s['hour'])
-            s['minute'] = int (s['minute'])
+            try:
+                s['dayOfWeek'] = int (s['dayOfWeek'])
+            except:
+                pass
+            try:
+                s['hour'] = int (s['hour'])
+            except:
+                pass
+            try:
+                s['minute'] = int (s['minute'])
+            except:
+                pass
             s['onlyIfChanged'] = False
             s['branch'] = 'master'
         if "change_filter" in s: