diff --git a/src/pages/sign/index.tsx b/src/pages/sign/index.tsx
index b8cfe5c..f8f6163 100644
--- a/src/pages/sign/index.tsx
+++ b/src/pages/sign/index.tsx
@@ -416,8 +416,11 @@ export const SignPage = () => {
       )
 
       if (arrayBuffer) {
-        files[fileName] = await convertToPdfFile(arrayBuffer, fileName)
-
+        try {
+          files[fileName] = await convertToPdfFile(arrayBuffer, fileName)
+        } catch (error) {
+          console.error('Not a .pdf file:', error)
+        }
         const hash = await getHash(arrayBuffer)
         if (hash) {
           fileHashes[fileName] = hash
diff --git a/src/pages/verify/index.tsx b/src/pages/verify/index.tsx
index c67c2fc..202064b 100644
--- a/src/pages/verify/index.tsx
+++ b/src/pages/verify/index.tsx
@@ -246,10 +246,14 @@ export const VerifyPage = () => {
                 )
 
                 if (arrayBuffer) {
-                  files[fileName] = await convertToPdfFile(
-                    arrayBuffer,
-                    fileName!
-                  )
+                  try {
+                    files[fileName] = await convertToPdfFile(
+                      arrayBuffer,
+                      fileName!
+                    )
+                  } catch (error) {
+                    console.error('Not a .pdf file:', error)
+                  }
                   const hash = await getHash(arrayBuffer)
 
                   if (hash) {