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-rw-r--r--src/bin/mdbook-mermaid.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/bin/mdbook-mermaid.rs b/src/bin/mdbook-mermaid.rs
index c79d69b..b165c3f 100644
--- a/src/bin/mdbook-mermaid.rs
+++ b/src/bin/mdbook-mermaid.rs
@@ -242,7 +242,7 @@ fn insert_additional(doc: &mut Document, additional_type: &str, file: &str) {
.unwrap()
.entry(&format!("additional-{}", additional_type))
.or_insert(empty_array);
- let _ = array
+ array
.as_value_mut()
.unwrap()
.as_array_mut()