diff --git a/node_core/src/storage/block_store.rs b/node_core/src/storage/block_store.rs
index d394304..f52432f 100644
--- a/node_core/src/storage/block_store.rs
+++ b/node_core/src/storage/block_store.rs
@@ -115,5 +115,14 @@ mod tests {
         assert_eq!(retrieved_block.hash, block.hash);
     }
 
+    #[test]
+    fn test_get_block_not_found() {
+        let temp_dir = tempdir().unwrap();
+        let path = temp_dir.path();
 
+        let node_store = NodeBlockStore::open_db_with_genesis(path, None).unwrap();
+
+        let result = node_store.get_block_at_id(42);
+        assert!(result.is_err());
+    }
 }