diff --git a/.changeset/fix-bytes-type.md b/.changeset/fix-bytes-type.md
new file mode 100644
index 0000000..36a4f95
--- /dev/null
+++ b/.changeset/fix-bytes-type.md
@@ -0,0 +1,5 @@
+---
+"@codama/renderers-vixen-parser": patch
+---
+
+- Fix IDL bytes type conversion
\ No newline at end of file
diff --git a/src/getRenderMapVisitor.ts b/src/getRenderMapVisitor.ts
index 85797a4..804fee8 100644
--- a/src/getRenderMapVisitor.ts
+++ b/src/getRenderMapVisitor.ts
@@ -194,6 +194,14 @@ function getArrayTypeTransform(item: TypeNode, outerTypeName: string, idlDefined
             return `self.${outerTypeName}.into_iter().map(|x| x.into()).collect()`;
         }
 
+        case 'sizePrefixTypeNode': {
+            return `self.${outerTypeName}.into_iter().map(|x| x.into()).collect()`;
+        }
+
+        case 'stringTypeNode': {
+            return `self.${outerTypeName}`;
+        }
+
         default:
             console.warn(`Warning!: Default case for array type: ${item.kind} for type ${outerTypeName}`);
             return `self.${outerTypeName}.to_vec()`;
@@ -259,6 +267,9 @@ function getTransform(
         case 'numberTypeNode':
             return `self.${typeName}${getNumberTypeTransform(type)}`;
 
+        case 'sizePrefixTypeNode':
+            return getArrayTypeTransform(type.type, typeName, idlDefinedTypes);
+
         default:
             return `self.${typeName}`;
     }