diff --git a/sdgb-cli/src/main.rs b/sdgb-cli/src/main.rs
index 1235a72..41b2f9a 100644
--- a/sdgb-cli/src/main.rs
+++ b/sdgb-cli/src/main.rs
@@ -19,7 +19,7 @@ async fn main() -> Result<(), Box<dyn snafu::Error>> {
 
     match cmd.command {
         commands::Commands::Ping => {
-            let decoded = Sdgb1_40::request(&client, APIMethod::Ping, "1", Ping {}).await?;
+            let decoded = Sdgb1_40::request(&client, APIMethod::Ping, "", Ping {}).await?;
             info!("sdgb 1.40 resp: {:?}", String::from_utf8_lossy(&decoded));
             let decoded = Sdgb1_50::request(&client, APIMethod::Ping, "", Ping {}).await?;
             info!("sdgb 1.50 resp: {:?}", String::from_utf8_lossy(&decoded));