diff --git a/server/src/db/models/user.model.ts b/server/src/db/models/user.model.ts
index e23dddd..8869005 100644
--- a/server/src/db/models/user.model.ts
+++ b/server/src/db/models/user.model.ts
@@ -84,7 +84,7 @@ export const update = async (id: number, updatedUser: User & { password?: string
 
     try {
         let query = `UPDATE "user" SET name=$1, email=$2 WHERE id=$3 RETURNING id, name, email, wins, losses, draws, role, banned`;
-        let values: (string | number | undefined)[] = [updatedUser.name, updatedUser.email, id];
+        let values: (string | number | null | undefined)[] = [updatedUser.name, updatedUser.email, id];
 
         if (updatedUser.password) {
             query = `UPDATE "user" SET name=$1, email=$2, password=$3 WHERE id=$4 RETURNING id, name, email, wins, losses, draws, role, banned`;
diff --git a/server/src/types/stockfish.d.ts b/server/src/types/stockfish.d.ts
new file mode 100644
index 0000000..6eeae88
--- /dev/null
+++ b/server/src/types/stockfish.d.ts
@@ -0,0 +1,9 @@
+declare module "stockfish" {
+    interface StockfishInstance {
+        postMessage(cmd: string): void;
+        onmessage: ((line: string | { data: string }) => void) | null;
+        terminate?: () => void;
+    }
+    function Stockfish(): StockfishInstance;
+    export default Stockfish;
+}
diff --git a/server/tsconfig.json b/server/tsconfig.json
index 8dd616e..d2a0fe3 100644
--- a/server/tsconfig.json
+++ b/server/tsconfig.json
@@ -7,6 +7,8 @@
         "esModuleInterop": true,
         "forceConsistentCasingInFileNames": true,
         "strict": true,
-        "skipLibCheck": true
-    }
+        "skipLibCheck": true,
+        "typeRoots": ["./src/types", "./node_modules/@types"]
+    },
+    "include": ["src/**/*"]
 }