diff --git a/crates/nu-command/src/debug/metadata.rs b/crates/nu-command/src/debug/metadata.rs
index d4c8ff8567..2faa35cd59 100644
--- a/crates/nu-command/src/debug/metadata.rs
+++ b/crates/nu-command/src/debug/metadata.rs
@@ -20,7 +20,7 @@ impl Command for Metadata {
 
     fn signature(&self) -> nu_protocol::Signature {
         Signature::build("metadata")
-            .input_output_types(vec![(Type::Nothing, Type::Record(vec![]))])
+            .input_output_types(vec![(Type::Any, Type::Record(vec![]))])
             .allow_variants_without_examples(true)
             .optional(
                 "expression",