diff --git a/src/components/dashboard/sidebar-user.tsx b/src/components/dashboard/sidebar-user.tsx
index aaae019..c392530 100644
--- a/src/components/dashboard/sidebar-user.tsx
+++ b/src/components/dashboard/sidebar-user.tsx
@@ -93,8 +93,8 @@ export function SidebarUser() {
               data-[state=open]:text-sidebar-accent-foreground"
             >
               <UserAvatar
-                name={user.name || undefined}
-                image={user.image || undefined}
+                name={user.name}
+                image={user.image}
                 className="size-8 border"
               />
 
@@ -118,8 +118,8 @@ export function SidebarUser() {
             <DropdownMenuLabel className="p-0 font-normal">
               <div className="flex items-center gap-2 px-1 py-1.5 text-left text-sm">
                 <UserAvatar
-                  name={user.name || undefined}
-                  image={user.image || undefined}
+                  name={user.name}
+                  image={user.image}
                   className="size-8 border"
                 />
                 <div className="grid flex-1 text-left text-sm leading-tight">
diff --git a/src/components/layout/user-button.tsx b/src/components/layout/user-button.tsx
index d24d512..fe74211 100644
--- a/src/components/layout/user-button.tsx
+++ b/src/components/layout/user-button.tsx
@@ -62,8 +62,8 @@ export function UserButton({ user }: UserButtonProps) {
       <Drawer open={open} onClose={closeDrawer}>
         <DrawerTrigger onClick={() => setOpen(true)}>
           <UserAvatar
-            name={user?.name || undefined}
-            image={user?.image || undefined}
+            name={user.name}
+            image={user.image}
             className="size-8 border"
           />
         </DrawerTrigger>
@@ -78,19 +78,17 @@ export function UserButton({ user }: UserButtonProps) {
             </DrawerHeader>
             <div className="flex items-center justify-start gap-4 p-2">
               <UserAvatar
-                name={user?.name || undefined}
-                image={user?.image || undefined}
+                name={user.name}
+                image={user.image}
                 className="size-8 border"
               />
               <div className="flex flex-col">
-                {user?.name && <p className="font-medium">
+                <p className="font-medium">
                   {user.name}
-                </p>}
-                {user?.email && (
-                  <p className="w-[200px] truncate text-muted-foreground">
-                    {user?.email}
-                  </p>
-                )}
+                </p>
+                <p className="w-[200px] truncate text-muted-foreground">
+                  {user.email}
+                </p>
               </div>
             </div>
 
@@ -142,7 +140,7 @@ export function UserButton({ user }: UserButtonProps) {
       <DropdownMenuTrigger>
         <UserAvatar
           name={user.name}
-          image={user.image || undefined}
+          image={user.image}
           className="size-8 border"
         />
       </DropdownMenuTrigger>
diff --git a/src/components/shared/user-avatar.tsx b/src/components/shared/user-avatar.tsx
index 7ef2772..c8fd746 100644
--- a/src/components/shared/user-avatar.tsx
+++ b/src/components/shared/user-avatar.tsx
@@ -4,7 +4,7 @@ import { User2Icon } from 'lucide-react';
 
 interface UserAvatarProps extends AvatarProps {
   name: string;
-  image?: string;
+  image: string | null | undefined;
 }
 
 /**
@@ -21,7 +21,7 @@ export function UserAvatar({ name, image, ...props }: UserAvatarProps) {
       <AvatarImage
         alt={name}
         title={name}
-        src={image}
+        src={image ?? undefined}
       />
       <AvatarFallback>
         <span className="sr-only">{name}</span>
diff --git a/src/newsletter/index.ts b/src/newsletter/index.ts
index 42ba0d6..f00fdb2 100644
--- a/src/newsletter/index.ts
+++ b/src/newsletter/index.ts
@@ -1,19 +1,19 @@
 import { ResendNewsletterProvider } from './provider/resend';
 import {
-  CheckSubscribeStatusProps,
   NewsletterConfig,
   NewsletterProvider,
-  SubscribeNewsletterP,
-  UnsubscribeNewsletterProps
+  SubscribeNewsletterParams,
+  UnsubscribeNewsletterParams,
+  CheckSubscribeStatusParams
 } from './types';
 
 // Re-export types for convenience
 export type {
   NewsletterProvider,
   NewsletterConfig,
-  SubscribeNewsletterP as SubscribeNewsletterProps,
-  UnsubscribeNewsletterProps,
-  CheckSubscribeStatusProps
+  SubscribeNewsletterParams,
+  UnsubscribeNewsletterParams,
+  CheckSubscribeStatusParams
 };
 
 // Export provider implementation