Body size can be any unit, don't force MBytes
diff --git a/nginx/files/proxy.conf b/nginx/files/proxy.conf
index 631dd8a..c697f05 100644
--- a/nginx/files/proxy.conf
+++ b/nginx/files/proxy.conf
@@ -21,7 +21,7 @@
       {%- include "nginx/files/_access_policy.conf" %}
 
       {%- if site.proxy.size is defined %}
-      client_max_body_size {{ site.proxy.size }}m;
+      client_max_body_size {{ site.proxy.size }};
       {%- if site.proxy.size > 200 %}
       client_body_buffer_size 200m;
       {%- else %}