diff --git a/src/common/minimal_eci_input.rs b/src/common/minimal_eci_input.rs
index 2e1337b..be9da18 100644
--- a/src/common/minimal_eci_input.rs
+++ b/src/common/minimal_eci_input.rs
@@ -230,7 +230,11 @@ impl MinimalECIInput {
 
         Self {
             bytes: bytes,
-            fnc1: fnc1.as_ref().unwrap().chars().nth(0).unwrap() as u16,
+            fnc1: if let Some(fnc1_exists) = fnc1 {//}.as_ref().unwrap().chars().nth(0).unwrap() as u16,
+            fnc1_exists.chars().nth(0).unwrap() as u16
+        }else{
+            1000
+        }
         }
     }