diff --git a/lib/patcher/src/hooks/after.ts b/lib/patcher/src/hooks/after.ts
index ce9b7e9..1c62568 100644
--- a/lib/patcher/src/hooks/after.ts
+++ b/lib/patcher/src/hooks/after.ts
@@ -34,12 +34,8 @@ function unpatchAfter<T extends UnknownFunction>(
 
 export function after<
     Parent extends Record<Key, UnknownFunction>,
-    Key extends PropertyKey,
->(
-    parent: Parent,
-    key: FiniteDomain<Key>,
-    hook: AfterHook<Parent[Key]>,
-): () => void
+    Key extends keyof Parent,
+>(parent: Parent, key: Key, hook: AfterHook<Parent[Key]>): () => void
 export function after<Key extends PropertyKey, Value extends UnknownFunction>(
     parent: Record<Key, Value>,
     key: FiniteDomain<Key>,
diff --git a/lib/patcher/src/hooks/before.ts b/lib/patcher/src/hooks/before.ts
index 944de9e..b58e7f6 100644
--- a/lib/patcher/src/hooks/before.ts
+++ b/lib/patcher/src/hooks/before.ts
@@ -34,12 +34,8 @@ function unpatchBefore<T extends UnknownFunction>(
 
 export function before<
     Parent extends Record<Key, UnknownFunction>,
-    Key extends PropertyKey,
->(
-    parent: Parent,
-    key: FiniteDomain<Key>,
-    hook: BeforeHook<Parent[Key]>,
-): () => void
+    Key extends keyof Parent,
+>(parent: Parent, key: Key, hook: BeforeHook<Parent[Key]>): () => void
 export function before<Key extends PropertyKey, Value extends UnknownFunction>(
     parent: Record<Key, Value>,
     key: FiniteDomain<Key>,
diff --git a/lib/patcher/src/hooks/instead.ts b/lib/patcher/src/hooks/instead.ts
index 1e2ec11..186ece8 100644
--- a/lib/patcher/src/hooks/instead.ts
+++ b/lib/patcher/src/hooks/instead.ts
@@ -72,12 +72,8 @@ function unpatchInstead<T extends UnknownFunction>(
 
 export function instead<
     Parent extends Record<Key, UnknownFunction>,
-    Key extends PropertyKey,
->(
-    parent: Parent,
-    key: FiniteDomain<Key>,
-    hook: InsteadHook<Parent[Key]>,
-): () => void
+    Key extends keyof Parent,
+>(parent: Parent, key: Key, hook: InsteadHook<Parent[Key]>): () => void
 export function instead<Key extends PropertyKey, Value extends UnknownFunction>(
     parent: Record<Key, Value>,
     key: FiniteDomain<Key>,