diff --git a/frontend/src/global.d.ts b/frontend/src/global.d.ts
index efbaa35a9..23c8c2bc7 100644
--- a/frontend/src/global.d.ts
+++ b/frontend/src/global.d.ts
@@ -4,4 +4,4 @@ declare module "../tools/Merge";
 declare module "../components/PageEditor";
 declare module "../components/Viewer";
 declare module "*.js";
-declare module '*.module.css';
\ No newline at end of file
+declare module '*.module.css';
diff --git a/frontend/src/hooks/usePdfSignatureDetection.ts b/frontend/src/hooks/usePdfSignatureDetection.ts
index 96d80fb9d..ea7d0bdf0 100644
--- a/frontend/src/hooks/usePdfSignatureDetection.ts
+++ b/frontend/src/hooks/usePdfSignatureDetection.ts
@@ -34,7 +34,7 @@ export const usePdfSignatureDetection = (files: File[]): PdfSignatureDetectionRe
               const page = await pdf.getPage(i);
               const annotations = await page.getAnnotations({ intent: 'display' });
 
-              annotations.forEach(annotation => {
+              annotations.forEach((annotation: any) => {
                 if (annotation.subtype === 'Widget' && annotation.fieldType === 'Sig') {
                   foundSignature = true;
                 }
diff --git a/frontend/src/pages/HomePage.tsx b/frontend/src/pages/HomePage.tsx
index 46ca33bef..d4f8de41e 100644
--- a/frontend/src/pages/HomePage.tsx
+++ b/frontend/src/pages/HomePage.tsx
@@ -25,7 +25,7 @@ function HomePageContent() {
   // Update file selection context when tool changes
   useEffect(() => {
     if (selectedTool) {
-      setMaxFiles(selectedTool.maxFiles);
+      setMaxFiles(selectedTool.maxFiles ?? -1);
       setIsToolMode(true);
     } else {
       setMaxFiles(-1);