diff --git a/controllers/nginx/configuration.md b/controllers/nginx/configuration.md
index b5b19b627..a93f840e1 100644
--- a/controllers/nginx/configuration.md
+++ b/controllers/nginx/configuration.md
@@ -412,7 +412,7 @@ The following table shows the options, the default value and a description.
 
 |name                 |default|
 |---------------------------|------|
-|body-size|1m|
+|body-size|0 (unlimited)|
 |custom-http-errors|" "|
 |enable-dynamic-tls-records|"true"|
 |enable-sticky-sessions|"false"|
diff --git a/controllers/nginx/pkg/config/config.go b/controllers/nginx/pkg/config/config.go
index d3042ce45..0d928d7c0 100644
--- a/controllers/nginx/pkg/config/config.go
+++ b/controllers/nginx/pkg/config/config.go
@@ -30,7 +30,8 @@ import (
 const (
 	// http://nginx.org/en/docs/http/ngx_http_core_module.html#client_max_body_size
 	// Sets the maximum allowed size of the client request body
-	bodySize = "1m"
+	// Default: unlimited.
+	bodySize = "0"
 
 	// http://nginx.org/en/docs/ngx_core_module.html#error_log
 	// Configures logging level [debug | info | notice | warn | error | crit | alert | emerg]