diff --git a/InvenTree/InvenTree/settings.py b/InvenTree/InvenTree/settings.py
index 3b7c95e245..fe22111232 100644
--- a/InvenTree/InvenTree/settings.py
+++ b/InvenTree/InvenTree/settings.py
@@ -502,11 +502,24 @@ LANGUAGE_CODE = CONFIG.get('language', 'en-us')
 
 # If a new language translation is supported, it must be added here
 LANGUAGES = [
-    ('en', _('English')),
-    ('fr', _('French')),
     ('de', _('German')),
+    ('el', _('Greek')),
+    ('en', _('English')),
+    ('es', _('Spanish')),
+    ('fr', _('French')),
+    ('he', _('Hebrew')),
+    ('it', _('Italian')),
+    ('ja', _('Japanese')),
+    ('ko', _('Korean')),
+    ('nl', _('Dutch')),
+    ('no', _('Norwegian')),
     ('pl', _('Polish')),
+    ('ru', _('Russian')),
+    ('sv', _('Swedish')),
+    ('th', _('Thai')),
     ('tr', _('Turkish')),
+    ('vi', _('Vietnamese')),
+    ('zh-cn', _('Chinese')),
 ]
 
 # Currencies available for use
diff --git a/InvenTree/company/templates/company/detail.html b/InvenTree/company/templates/company/detail.html
index 4a9ac43758..884ec6e8de 100644
--- a/InvenTree/company/templates/company/detail.html
+++ b/InvenTree/company/templates/company/detail.html
@@ -371,7 +371,7 @@
                         requests.push(inventreeDelete(url));
                     });
             
-                    $.when.apply($, requests).then(function() {
+                    $.when.apply($, requests).done(function() {
                         $('#supplier-part-table').bootstrapTable('refresh');
                     });
                 }
diff --git a/InvenTree/company/templates/company/manufacturer_part.html b/InvenTree/company/templates/company/manufacturer_part.html
index 94ff64440f..4623eb3a07 100644
--- a/InvenTree/company/templates/company/manufacturer_part.html
+++ b/InvenTree/company/templates/company/manufacturer_part.html
@@ -207,7 +207,7 @@ $("#supplier-part-delete").click(function() {
                     requests.push(inventreeDelete(url));
                 });
         
-                $.when.apply($, requests).then(function() {
+                $.when.apply($, requests).done(function() {
                     reloadSupplierPartTable();
                 });
             }
@@ -247,7 +247,7 @@ $("#multi-parameter-delete").click(function() {
                     requests.push(inventreeDelete(url));
                 });
 
-                $.when.apply($, requests).then(function() {
+                $.when.apply($, requests).done(function() {
                     $('#parameter-table').bootstrapTable('refresh');
                 });
             }
diff --git a/InvenTree/part/templates/part/detail.html b/InvenTree/part/templates/part/detail.html
index b4cebe478e..00d7f01e47 100644
--- a/InvenTree/part/templates/part/detail.html
+++ b/InvenTree/part/templates/part/detail.html
@@ -416,7 +416,7 @@
                     });
 
                     // Wait for *all* the requests to complete
-                    $.when.apply($, requests).then(function() {
+                    $.when.apply($, requests).done(function() {
                         location.reload();
                     });
                 }
@@ -832,7 +832,7 @@
                         requests.push(inventreeDelete(url));
                     });
             
-                    $.when.apply($, requests).then(function() {
+                    $.when.apply($, requests).done(function() {
                         reloadSupplierPartTable();
                     });
                 }
diff --git a/InvenTree/templates/js/api.js b/InvenTree/templates/js/api.js
index 8169671836..4cf07638dc 100644
--- a/InvenTree/templates/js/api.js
+++ b/InvenTree/templates/js/api.js
@@ -147,8 +147,7 @@ function inventreeDelete(url, options={}) {
 
     options.method = 'DELETE';
 
-    inventreePut(url, {}, options);
-
+    return inventreePut(url, {}, options);
 }
 
 
diff --git a/InvenTree/templates/js/company.js b/InvenTree/templates/js/company.js
index b202fbcd52..f671fb616f 100644
--- a/InvenTree/templates/js/company.js
+++ b/InvenTree/templates/js/company.js
@@ -349,7 +349,7 @@ function deleteManufacturerParts(selections, options={}) {
                 });
 
                 // Wait for all the requests to complete
-                $.when.apply($, requests).then(function() {
+                $.when.apply($, requests).done(function() {
 
                     if (options.onSuccess) {
                         options.onSuccess();
diff --git a/InvenTree/templates/js/stock.js b/InvenTree/templates/js/stock.js
index 947e7fb3e9..a2015797fe 100644
--- a/InvenTree/templates/js/stock.js
+++ b/InvenTree/templates/js/stock.js
@@ -287,7 +287,7 @@ function adjustStock(action, items, options={}) {
                 });
 
                 // Wait for *all* the requests to complete
-                $.when.apply($, requests).then(function() {
+                $.when.apply($, requests).done(function() {
                     // Destroy the modal window
                     $(modal).modal('hide');
 
@@ -1265,7 +1265,7 @@ function loadStockTable(table, options) {
                 );
             });
 
-            $.when.apply($, requests).then(function() {
+            $.when.apply($, requests).done(function() {
                 $("#stock-table").bootstrapTable('refresh');
             });
         })