diff --git a/src/formats/syslog_log.json b/src/formats/syslog_log.json
index e9c157dafd9..bd328257245 100644
--- a/src/formats/syslog_log.json
+++ b/src/formats/syslog_log.json
@@ -14,7 +14,7 @@
         },
         "level-field": "body",
         "level": {
-            "error": "(?:(?:(?<![a-zA-Z]))(?:(?i)error(?:s)?)(?:(?![a-zA-Z]))|failed|failure)",
+            "error": "(?:(?:(?<![a-zA-Z]))(?:(?i)err(?:s)?)(?:(?![a-zA-Z]))|failed|failure)",
             "warning": "(?:(?:(?i)warn)|not responding|init: cannot execute)"
         },
         "opid-field": "log_pid",
@@ -85,4 +85,4 @@
             }
         ]
     }
-}
\ No newline at end of file
+}