diff --git a/src/cmd_se_ecdh.rs b/src/cmd_se_ecdh.rs
index 0a1d487..38d55fb 100644
--- a/src/cmd_se_ecdh.rs
+++ b/src/cmd_se_ecdh.rs
@@ -79,8 +79,9 @@ impl Command for CommandImpl {
 
         if json_output {
             let mut json = BTreeMap::<&'_ str, String>::new();
-
             json.insert("shared_secret_hex", dh_hex);
+
+            println!("{}", serde_json::to_string_pretty(&json).unwrap());
         } else {
             information!("Shared secret: {}", dh_hex);
         }