diff --git a/static/js/all-sales.js b/static/js/all-sales.js
index 314cc66..3fa23aa 100644
--- a/static/js/all-sales.js
+++ b/static/js/all-sales.js
@@ -1,3 +1,5 @@
+import {formatCurrency} from "./common.js"
+
 export function showTable(api) {
     let token = localStorage.getItem("token");
     let tbody = document.getElementById("sales-table").getElementsByTagName("tbody")[0];
@@ -43,11 +45,3 @@ export function showTable(api) {
             }
         });
 }
-
-function formatCurrency(amount) {
-    let c = parseFloat(amount/100);
-    return c.toLocaleString("fr-FR", {
-        style:"currency",
-        currency: "EUR",
-    });
-}
diff --git a/static/js/all-subscriptions.js b/static/js/all-subscriptions.js
index babbe5f..4162876 100644
--- a/static/js/all-subscriptions.js
+++ b/static/js/all-subscriptions.js
@@ -1,3 +1,5 @@
+import {formatCurrency} from "./common.js"
+
 export function showTable(api) {
     let token = localStorage.getItem("token");
     let tbody = document.getElementById("subscriptions-table").getElementsByTagName("tbody")[0];
@@ -44,11 +46,3 @@ export function showTable(api) {
         });
 }
 
-function formatCurrency(amount) {
-    let c = parseFloat(amount/100);
-    return c.toLocaleString("fr-FR", {
-        style:"currency",
-        currency: "EUR",
-    });
-}
-
diff --git a/static/js/common.js b/static/js/common.js
index e40c1aa..47c80af 100644
--- a/static/js/common.js
+++ b/static/js/common.js
@@ -91,3 +91,10 @@ export function checkAuth(api) {
     }
 }
 
+export function formatCurrency(amount) {
+    let c = parseFloat(amount/100);
+    return c.toLocaleString("fr-FR", {
+        style:"currency",
+        currency: "EUR",
+    });
+}
diff --git a/static/js/sale.js b/static/js/sale.js
index 36dc0d2..7756ece 100644
--- a/static/js/sale.js
+++ b/static/js/sale.js
@@ -1,3 +1,5 @@
+import {formatCurrency} from "./common.js"
+
 export function showInfo(api) {
     let token = localStorage.getItem("token");
     let id = window.location.pathname.split("/").pop();
@@ -24,12 +26,3 @@ export function showInfo(api) {
             }
         });
 }
-
-function formatCurrency(amount) {
-    let c = parseFloat(amount/100);
-    return c.toLocaleString("fr-FR", {
-        style:"currency",
-        currency: "EUR",
-    });
-}
-