diff --git a/src/08_patterns/18_builder.md b/src/08_patterns/18_builder.md
index b04f33122e4f5887684e92bb34e5b04ad967683a..81f1a28779d412c5b99c6ef2825acd71d9ce6f29 100644
--- a/src/08_patterns/18_builder.md
+++ b/src/08_patterns/18_builder.md
@@ -72,7 +72,8 @@ Questo pattern creazionale prende il nome di __Builder__.
 
 ```plantuml
 @startuml
-style 500 width
+scale 500 width
+set namespaceSeparator none
 
 class MyClass {
     - OptionalField : T0