diff --git a/galera/files/my.cnf b/galera/files/my.cnf
index ebcdb22..070efcc 100644
--- a/galera/files/my.cnf
+++ b/galera/files/my.cnf
@@ -39,7 +39,7 @@
 innodb_file_format=Barracuda
 innodb_file_per_table=1
 {%- if service.innodb_buffer_pool_size is not defined %}
-  {% set buffer_pool_size = '%.2fM'%(grains['mem_total']*0.35) %}
+  {% set buffer_pool_size = '%.0fM'%(grains['mem_total']*0.35) %}
 {%- else %}
   {% set buffer_pool_size = service.innodb_buffer_pool_size %}
 {%- endif %}