diff --git a/app/api/photos/route.ts b/app/api/photos/route.ts
index 4ed5205..edcb0ca 100644
--- a/app/api/photos/route.ts
+++ b/app/api/photos/route.ts
@@ -2,6 +2,7 @@ import { NextRequest, NextResponse } from "next/server"
 import { auth } from "@/lib/auth"
 import { prisma } from "@/lib/prisma"
 import { sendNewPhotoEmail } from "@/lib/email"
+import type { Prisma } from "@prisma/client"
 
 // Legacy endpoint for URL-based uploads (kept for backward compatibility)
 export async function POST(req: NextRequest) {
@@ -46,7 +47,7 @@ export async function POST(req: NextRequest) {
         answerName: answerName.trim(),
         points: pointsValue,
         maxAttempts: maxAttemptsValue,
-      } as any,
+      } as Prisma.PhotoUncheckedCreateInput,
       include: {
         uploader: {
           select: {
diff --git a/app/api/photos/upload-multiple/route.ts b/app/api/photos/upload-multiple/route.ts
index a37de9c..a61c942 100644
--- a/app/api/photos/upload-multiple/route.ts
+++ b/app/api/photos/upload-multiple/route.ts
@@ -6,7 +6,7 @@ import { writeFile } from "fs/promises"
 import { join } from "path"
 import { existsSync, mkdirSync } from "fs"
 import { createHash } from "crypto"
-import type { Photo } from "@prisma/client"
+import type { Prisma } from "@prisma/client"
 
 export async function POST(req: NextRequest) {
   try {
@@ -44,9 +44,9 @@ export async function POST(req: NextRequest) {
       mkdirSync(uploadsDir, { recursive: true })
     }
 
-    type PhotoWithUploader = Photo & {
-      uploader: { name: string }
-    }
+    type PhotoWithUploader = Prisma.PhotoGetPayload<{
+      include: { uploader: { select: { name: true } } }
+    }>
     
     const createdPhotos: PhotoWithUploader[] = []
 
@@ -106,7 +106,7 @@ export async function POST(req: NextRequest) {
 
         // Check for duplicate file
         const existingPhoto = await prisma.photo.findFirst({
-          where: { fileHash } as any,
+          where: { fileHash } as Prisma.PhotoWhereInput,
         })
 
         if (existingPhoto) {
@@ -158,7 +158,7 @@ export async function POST(req: NextRequest) {
           penaltyEnabled: penaltyEnabled,
           penaltyPoints: penaltyPointsValue,
           maxAttempts: maxAttemptsValue,
-        } as any,
+        } as Prisma.PhotoUncheckedCreateInput,
         include: {
           uploader: {
             select: {
@@ -168,7 +168,7 @@ export async function POST(req: NextRequest) {
         },
       })
 
-      createdPhotos.push(photo as PhotoWithUploader)
+      createdPhotos.push(photo)
     }
 
     // Send emails to all other users for all photos
diff --git a/app/api/photos/upload/route.ts b/app/api/photos/upload/route.ts
index c883f05..368e4ce 100644
--- a/app/api/photos/upload/route.ts
+++ b/app/api/photos/upload/route.ts
@@ -6,6 +6,7 @@ import { writeFile } from "fs/promises"
 import { join } from "path"
 import { existsSync, mkdirSync } from "fs"
 import { createHash } from "crypto"
+import type { Prisma } from "@prisma/client"
 
 export async function POST(req: NextRequest) {
   try {
@@ -62,7 +63,7 @@ export async function POST(req: NextRequest) {
 
       // Check for duplicate file
       const existingPhoto = await prisma.photo.findFirst({
-        where: { fileHash } as any,
+        where: { fileHash } as Prisma.PhotoWhereInput,
       })
 
       if (existingPhoto) {
@@ -122,7 +123,7 @@ export async function POST(req: NextRequest) {
         answerName: answerName.trim(),
         points: pointsValue,
         maxAttempts: maxAttemptsValue,
-      } as any,
+      } as Prisma.PhotoUncheckedCreateInput,
       include: {
         uploader: {
           select: {
diff --git a/app/photos/[id]/page.tsx b/app/photos/[id]/page.tsx
index 7240bf2..9c74940 100644
--- a/app/photos/[id]/page.tsx
+++ b/app/photos/[id]/page.tsx
@@ -49,10 +49,17 @@ export default async function PhotoPage({ params }: { params: Promise<{ id: stri
   const hasCorrectGuess = userGuess?.correct || false
   const isOwner = photo.uploaderId === session.user.id
   
+  // Type assertion for new fields (penaltyEnabled, penaltyPoints, maxAttempts)
+  type PhotoWithNewFields = typeof photo & {
+    penaltyEnabled: boolean
+    penaltyPoints: number
+    maxAttempts: number | null
+  }
+  const photoWithFields = photo as PhotoWithNewFields
+  
   // Calculate remaining attempts
-  const photoWithMaxAttempts = photo as typeof photo & { maxAttempts: number | null | undefined }
   const userGuessCount = photo.guesses.length
-  const maxAttempts = photoWithMaxAttempts.maxAttempts ?? null
+  const maxAttempts = photoWithFields.maxAttempts ?? null
   const remainingAttempts = maxAttempts !== null && maxAttempts > 0 
     ? Math.max(0, maxAttempts - userGuessCount)
     : null
@@ -77,9 +84,9 @@ export default async function PhotoPage({ params }: { params: Promise<{ id: stri
               <span className="inline-flex items-center px-3 py-1 rounded-full text-sm font-medium bg-purple-100 text-purple-800">
                 +{photo.points} {photo.points === 1 ? "point" : "points"} if correct
               </span>
-              {(photo as any).penaltyEnabled && (photo as any).penaltyPoints > 0 && (
+              {photoWithFields.penaltyEnabled && photoWithFields.penaltyPoints > 0 && (
                 <span className="inline-flex items-center px-3 py-1 rounded-full text-sm font-medium bg-red-100 text-red-800">
-                  -{(photo as any).penaltyPoints} {(photo as any).penaltyPoints === 1 ? "point" : "points"} if wrong
+                  -{photoWithFields.penaltyPoints} {photoWithFields.penaltyPoints === 1 ? "point" : "points"} if wrong
                 </span>
               )}
               {maxAttempts !== null && maxAttempts > 0 && (
@@ -117,9 +124,9 @@ export default async function PhotoPage({ params }: { params: Promise<{ id: stri
                 <p className="text-sm text-red-700 mt-1">
                   Your last guess: <strong>{userGuess.guessText}</strong>
                 </p>
-                {(photo as any).penaltyEnabled && (photo as any).penaltyPoints > 0 && (
+                {photoWithFields.penaltyEnabled && photoWithFields.penaltyPoints > 0 && (
                   <p className="text-sm text-red-700 mt-1">
-                    You lost <strong>{(photo as any).penaltyPoints} {(photo as any).penaltyPoints === 1 ? "point" : "points"}</strong> for this wrong guess.
+                    You lost <strong>{photoWithFields.penaltyPoints} {photoWithFields.penaltyPoints === 1 ? "point" : "points"}</strong> for this wrong guess.
                   </p>
                 )}
               </div>