1 files changed, 0 insertions, 1 deletions

diff --git a/src/ast.rs b/src/ast.rs
index 531208c..ceded5c 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -367,7 +367,6 @@ impl YamlMetadata {
 fn mapping_to_pandoc(mapping: &Mapping) -> MetaValue {
     let mut map = Map::new();
     for (key, value) in mapping.iter() {
-        assert!(matches!(key, Value::String(_)));
         let key = if let MetaValue::MetaString(s) = value_to_pandoc(&key) {
             s
         } else {