diff --git a/Sources/FoilDefaultStorage.swift b/Sources/FoilDefaultStorage.swift
index a595fe3..05671f6 100644
--- a/Sources/FoilDefaultStorage.swift
+++ b/Sources/FoilDefaultStorage.swift
@@ -55,7 +55,7 @@ public struct FoilDefaultStorage<T: UserDefaultsSerializable> {
         // and uses force unwrap
         self._publisher = CurrentValueSubject<T, Never>(userDefaults.fetch(keyName))
 
-        self._observer = ObserverTrampoline(userDefaults: userDefaults, key: keyName) { [unowned _publisher] in
+        self._observer = ObserverTrampoline(userDefaults: userDefaults, key: keyName) { [_publisher] in
             _publisher.send(userDefaults.fetch(keyName))
         }
     }
diff --git a/Sources/FoilDefaultStorageOptional.swift b/Sources/FoilDefaultStorageOptional.swift
index 65ae616..5fb6c07 100644
--- a/Sources/FoilDefaultStorageOptional.swift
+++ b/Sources/FoilDefaultStorageOptional.swift
@@ -52,7 +52,7 @@ public struct FoilDefaultStorageOptional<T: UserDefaultsSerializable> {
         self.key = keyName
         self._userDefaults = userDefaults
         self._publisher = CurrentValueSubject<T?, Never>(userDefaults.fetchOptional(keyName))
-        self._observer = ObserverTrampoline(userDefaults: userDefaults, key: keyName) { [unowned _publisher] in
+        self._observer = ObserverTrampoline(userDefaults: userDefaults, key: keyName) { [_publisher] in
             _publisher.send(userDefaults.fetchOptional(keyName))
         }
     }