diff --git a/roles/mariadb/templates/mariadb.cnf.j2 b/roles/mariadb/templates/mariadb.cnf.j2
index ee9bd57c5015ddcce063960e7cfffebdd38a1128..a94d5b6db62ade9ab32a4a1a090d9f8f6be7ee75 100644
--- a/roles/mariadb/templates/mariadb.cnf.j2
+++ b/roles/mariadb/templates/mariadb.cnf.j2
@@ -21,6 +21,7 @@ innodb_flush_method=O_DIRECT
 innodb_flush_log_at_trx_commit=2
 innodb_log_file_size={{ mariadb_innodb_log_file_size }}
 innodb_log_buffer_size=8M
+log_warnings=4
 
 # Do not block hosts because of errors.
 max_connect_errors = 4294967295