diff --git a/src/api.js b/src/api.js
index e5fa2e1..e88f0d1 100644
--- a/src/api.js
+++ b/src/api.js
@@ -104,9 +104,12 @@ const getBucketFiles = async (folderName) => {
                 item.key.substring(0, item.key.length - ext.length) +
                 "_setup.exe";
 
-              oldItems.push(setup_key);
-              oldItems.push(setup_key + ".sha256");
-              oldItems.push(setup_key + ".sig");
+              const setup_item = ret.find((item) => item.key == setup_key);
+              if (setup_item) {
+                oldItems.push(setup_key);
+                oldItems.push(setup_key + ".sha256");
+                oldItems.push(setup_key + ".sig");
+              }
             }
           }
           return false;