diff --git a/src/public/javascript/offers.js b/src/public/javascript/offers.js
index 1b686a5..e7b5982 100644
--- a/src/public/javascript/offers.js
+++ b/src/public/javascript/offers.js
@@ -73,10 +73,6 @@ function validateAndFormatEurAmountInput() {
   eurAmountInput.classList.add('input-is-invalid');
 }
 
-function formatNumberWithSpaces(num) {
-  return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ');
-}
-
 function updateBtcInput() {
   const eurToSatRate = 1021;
   const cleanEurAmount = readIntFromEurAmountInput();
diff --git a/src/public/javascript/utils.js b/src/public/javascript/utils.js
new file mode 100644
index 0000000..e8964e2
--- /dev/null
+++ b/src/public/javascript/utils.js
@@ -0,0 +1,3 @@
+function formatNumberWithSpaces(num) {
+  return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ');
+}
diff --git a/src/views/offers.ejs b/src/views/offers.ejs
index ccb417b..4bc7fc2 100644
--- a/src/views/offers.ejs
+++ b/src/views/offers.ejs
@@ -81,5 +81,6 @@
 
     <%- include("partials/appCommonScripts") %>
     <script src="/javascript/offers.js"></script>
+    <script src="/javascript/utils.js"></script>
   </body>
 </html>