diff --git a/runbot/runbot.py b/runbot/runbot.py
index 488d6f59..822ae85e 100644
--- a/runbot/runbot.py
+++ b/runbot/runbot.py
@@ -42,8 +42,8 @@
 # Runbot Const
 #----------------------------------------------------------
 
-_re_error = r'^(?:\d{4}-\d\d-\d\d \d\d:\d\d:\d\d,\d{3} \d+ (?:ERROR|CRITICAL) )|(?:Traceback \(most recent call last\):)$'
-_re_warning = r'^\d{4}-\d\d-\d\d \d\d:\d\d:\d\d,\d{3} \d+ WARNING '
+_re_error = r'^(?:\d{4}-\d\d-\d\d \d\d:\d\d:\d\d,\d{3} \d+ (?:ERROR|CRITICAL) )'
+_re_warning = r'(?!.*ir_translation.*)^\d{4}-\d\d-\d\d \d\d:\d\d:\d\d,\d{3} \d+ WARNING.*'
 _re_job = re.compile('job_\d')
 
 # increase cron frequency from 0.016 Hz to 0.1 Hz to reduce starvation and improve throughput with many workers