diff --git a/crates/utils/tcbinfo-updater/src/main.rs b/crates/utils/tcbinfo-updater/src/main.rs
index c206ff1..ce57e8e 100644
--- a/crates/utils/tcbinfo-updater/src/main.rs
+++ b/crates/utils/tcbinfo-updater/src/main.rs
@@ -73,7 +73,11 @@ async fn upsert_tcbinfo() -> Result<(), &'static str> {
     for fmspc in fmspc_list {
         let tcbinfo = get_tcbinfo(fmspc.clone(), "standard".to_string()).await;
         assert!(verify_signature(tcbinfo.clone(), key));
-        let store_entry = &store[&fmspc];
+        let store_entry = if store.contains_key(&fmspc)
+        {
+            &store[&fmspc]
+        }
+        else {""}
         if *store_entry != tcbinfo {
             println!("updating local TCBInfo for FMSPC: {fmspc}");
             store.insert(fmspc.clone(), tcbinfo.clone());