diff --git a/src/hooks/useSubscription.js b/src/hooks/useSubscription.js
index 34ebc9b..88474e7 100644
--- a/src/hooks/useSubscription.js
+++ b/src/hooks/useSubscription.js
@@ -8,7 +8,7 @@ const LS_KEY = "quickpdf_usage";
 const USERS  = "users";
 
 function getLocalUsage() {
-  const n = parseInt(localStorage.getItem(LS_KEY), 10);
+  const n = parseInt(localStorage.getItem(LS_KEY, 10), 10);
   return isNaN(n) ? 0 : n;
 }
 
diff --git a/src/pages/Split/Split.jsx b/src/pages/Split/Split.jsx
index 0df4eac..b437a9a 100644
--- a/src/pages/Split/Split.jsx
+++ b/src/pages/Split/Split.jsx
@@ -56,7 +56,7 @@ export function Split() {
     try {
       setIsProcessing(true);
       setError(null);
-      const splitBlob = await splitPdf(file, parseInt(range.start), parseInt(range.end));
+      const splitBlob = await splitPdf(file, parseInt(range.start, 10), parseInt(range.end, 10));
       const url = URL.createObjectURL(splitBlob);
       const link = document.createElement("a");
       link.href = url;