diff --git a/AltStore/Operations/RefreshGroup.swift b/AltStore/Operations/RefreshGroup.swift
index c4f3dd72..9d487b6b 100644
--- a/AltStore/Operations/RefreshGroup.swift
+++ b/AltStore/Operations/RefreshGroup.swift
@@ -46,8 +46,8 @@ class RefreshGroup: NSObject
         
         if self.operations.isEmpty && !operations.isEmpty
         {
-            self.dispatchGroup.notify(queue: .global()) {
-                self.finish()
+            self.dispatchGroup.notify(queue: .global()) { [weak self] in
+                self?.finish()
             }
         }