diff --git a/src/main.rs b/src/main.rs
index 6c0c6ca..ee27868 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -183,6 +183,12 @@ async fn main() -> Result<()>{
                                 if rpc_result.results.len() <= 0 {
                                     break;
                                 }
+
+                                if rpc_result.results.len() < 3 {
+                                    println!("Error: Unexpected improv RPC result packet structure, expected 3 result fields got {}", rpc_result.results.len());
+                                    continue;
+                                }
+
                                 println!("{:<25}   {:>3}   {}", &rpc_result.results[0], &rpc_result.results[1], match rpc_result.results[2].as_str() {
                                     "YES" => "secure",
                                     "NO" => "open",