diff --git a/cms/src/builder/kari.rs b/cms/src/builder/kari.rs
index 3eee14d13..96f5b8559 100644
--- a/cms/src/builder/kari.rs
+++ b/cms/src/builder/kari.rs
@@ -14,6 +14,8 @@ use super::{
 };
 
 // Crate imports
+#[cfg(doc)]
+use crate::enveloped_data::EnvelopedData;
 use crate::{
     content_info::CmsVersion,
     enveloped_data::{