diff --git a/roles/mariadb/templates/50-server.cnf.j2 b/roles/mariadb/templates/50-server.cnf.j2
index aec9027..37782e3 100644
--- a/roles/mariadb/templates/50-server.cnf.j2
+++ b/roles/mariadb/templates/50-server.cnf.j2
@@ -31,7 +31,7 @@ bind-address            = 127.0.0.1
 #
 # * Fine Tuning
 #
-key_buffer_size        = 32M
+key_buffer_size        = 64K
 max_allowed_packet     = 64M
 thread_stack           = 256K
 thread_cache_size      = 8