diff --git a/services/static-webserver/client/source/class/osparc/data/Resources.js b/services/static-webserver/client/source/class/osparc/data/Resources.js
index de570f08278..e07813a5138 100644
--- a/services/static-webserver/client/source/class/osparc/data/Resources.js
+++ b/services/static-webserver/client/source/class/osparc/data/Resources.js
@@ -779,6 +779,10 @@ qx.Class.define("osparc.data.Resources", {
           payWithPaymentMethod: {
             method: "POST",
             url: statics.API + "/wallets/{walletId}/payments-methods/{paymentMethodId}:pay"
+          },
+          invoiceLink: {
+            method: "GET",
+            url: statics.API + "/wallets/{walletId}/payments/{paymentId}/invoice-link"
           }
         }
       },
@@ -1077,6 +1081,20 @@ qx.Class.define("osparc.data.Resources", {
   },
 
   members: {
+    /**
+     * @param {String} resource Name of the resource as defined in the static property 'resources'.
+     * @param {String} endpoint Name of the endpoint. Several endpoints can be defined for each resource.
+     * @param {Object} urlParams Object containing only the parameters for the url of the request.
+     */
+    replaceUrlParams: function(resource, endpoint, urlParams) {
+      const resourceDefinition = this.self().resources[resource];
+      const res = new osparc.io.rest.Resource(resourceDefinition.endpoints);
+      // Use qooxdoo's Get request configuration
+      // eslint-disable-next-line no-underscore-dangle
+      const getReqConfig = res._resource._getRequestConfig(endpoint, urlParams);
+      return getReqConfig;
+    },
+
     /**
      * Method to fetch resources from the server. If configured properly, the resources in the response will be cached in {osparc.store.Store}.
      * @param {String} resource Name of the resource as defined in the static property 'resources'.
diff --git a/services/static-webserver/client/source/class/osparc/desktop/credits/TransactionsTableModel.js b/services/static-webserver/client/source/class/osparc/desktop/credits/TransactionsTableModel.js
index a6a40fb3972..203187d1d0a 100644
--- a/services/static-webserver/client/source/class/osparc/desktop/credits/TransactionsTableModel.js
+++ b/services/static-webserver/client/source/class/osparc/desktop/credits/TransactionsTableModel.js
@@ -89,7 +89,7 @@ qx.Class.define("osparc.desktop.credits.TransactionsTableModel", {
                 credits: rawRow.osparcCredits ? rawRow.osparcCredits.toFixed(2) * 1 : 0,
                 status: this.__addColorTag(rawRow.completedStatus),
                 comment: rawRow.comment,
-                invoice: rawRow.invoiceUrl ? this.__createPdfIconWithLink(rawRow.invoiceUrl) : ""
+                invoice: rawRow.invoiceUrl ? this.__createPdfIconWithLink(rawRow.walletId, rawRow.paymentId) : ""
               })
             })
             return data
@@ -147,8 +147,14 @@ qx.Class.define("osparc.desktop.credits.TransactionsTableModel", {
     __addColorTag: function(status) {
       return `<font color=${this.__getLevelColor(status)}>${osparc.utils.Utils.onlyFirstsUp(status)}</font>`;
     },
-    __createPdfIconWithLink: function(link) {
-      return `<a href='${link}' target='_blank'><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/8/87/PDF_file_icon.svg/833px-PDF_file_icon.svg.png' alt='Invoice' width='16' height='20'></a>`;
+
+    __createPdfIconWithLink: function(walletId, paymentId) {
+      const urlParams = {
+        walletId,
+        paymentId
+      };
+      const req = osparc.data.Resources.getInstance().replaceUrlParams("payments", "invoiceLink", urlParams);
+      return `<a href='${req.url}' target='_blank'><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/8/87/PDF_file_icon.svg/833px-PDF_file_icon.svg.png' alt='Invoice' width='16' height='20'></a>`;
     }
   }
 })
diff --git a/services/static-webserver/client/source/class/osparc/navigation/UserMenu.js b/services/static-webserver/client/source/class/osparc/navigation/UserMenu.js
index 08a459c185b..2c747b2f2d3 100644
--- a/services/static-webserver/client/source/class/osparc/navigation/UserMenu.js
+++ b/services/static-webserver/client/source/class/osparc/navigation/UserMenu.js
@@ -113,7 +113,10 @@ qx.Class.define("osparc.navigation.UserMenu", {
         case "log-out": {
           const authData = osparc.auth.Data.getInstance();
           control = new qx.ui.menu.Button(authData.isGuest() ? this.tr("Exit") : this.tr("Log out"));
-          control.addListener("execute", () => qx.core.Init.getApplication().logout());
+          control.addListener("execute", () => {
+            this.exclude();
+            qx.core.Init.getApplication().logout();
+          });
           osparc.utils.Utils.setIdToWidget(control, "userMenuLogoutBtn");
           this.add(control);
           break;