diff --git a/src/ssn/patcher-installer/taskManager.ts b/src/ssn/patcher-installer/taskManager.ts
index b145b35..3e51068 100644
--- a/src/ssn/patcher-installer/taskManager.ts
+++ b/src/ssn/patcher-installer/taskManager.ts
@@ -17,6 +17,8 @@ export default function taskManager(tasks: Array<() => Promise<void>>, maxConcur
         curPromise.then(() => {
           currentlyRunningTasks -= 1;
           return startNewTask();
+        }).catch((error) => {
+          reject(error);
         });
       }
     };