diff --git a/tests/test_backup.py b/tests/test_backup.py
index 9648d2b8810503686a158e135dbd99bf225037a3..2a34b4e40d21b2d273b31aa85c09c88c359ca3ad 100755
--- a/tests/test_backup.py
+++ b/tests/test_backup.py
@@ -17,6 +17,8 @@ GREEN = '\033[92m'
 RED = '\033[91m'
 DEF = '\033[0m'
 
+MAX_AGE_H = 48
+
 def print_red(string):
     print(RED + string + DEF)
 
@@ -85,13 +87,13 @@ def check_local_backup(path):
         d = datetime.strptime(date, '%Y-%m-%d-%H%M%S')
         now = datetime.now()
         diff_seconds = (now - d).total_seconds()
-        if diff_seconds > 24*3600:
-            print_red('Backup %s is older than 24h (%ih)' % (backup_folder, diff_seconds/3600))
+        if diff_seconds > MAX_AGE_H*3600:
+            print_red('Backup %s is older than %sh (%ih)' % (backup_folder, MAX_AGE_H, diff_seconds/3600))
             all_ok = False 
         else:
             print_green('Backup %s is fine' % backup_folder)
     elif os.path.exists(os.path.join(backup_folder, 'backup.inprogress')):
-        print_red('Backup %s still running' % backup_folder)
+        print_red('Initial backup %s still running' % backup_folder)
         all_ok = False
     else:
         print_red('Backup %s is not working' % latest)