diff --git a/InvenTree/static/script/inventree/api.js b/InvenTree/static/script/inventree/api.js
index b45951ed03..fab1450a00 100644
--- a/InvenTree/static/script/inventree/api.js
+++ b/InvenTree/static/script/inventree/api.js
@@ -18,7 +18,7 @@ function getCookie(name) {
 }
 
 function inventreeGet(url, filters={}, options={}) {
-    $.ajax({
+    return $.ajax({
         url: url,
         type: 'GET',
         data: filters,
@@ -39,7 +39,7 @@ function inventreeGet(url, filters={}, options={}) {
                 });
             }
         }
-    })
+    });
 }
 
 function inventreeUpdate(url, data={}, options={}) {
@@ -57,7 +57,7 @@ function inventreeUpdate(url, data={}, options={}) {
     //var csrftoken = jQuery("[name=csrfmiddlewaretoken]").val();
     var csrftoken = getCookie('csrftoken');
 
-    $.ajax({
+    return $.ajax({
         beforeSend: function(xhr, settings) {
             xhr.setRequestHeader('X-CSRFToken', csrftoken);
         },
@@ -69,20 +69,12 @@ function inventreeUpdate(url, data={}, options={}) {
         success: function(response, status) {
             response['_status_code'] = status;
             console.log('UPDATE object to ' + url + ' - result = ' + status);
-            if (options.success) {
-                options.success(response);
-            }
         },
         error: function(xhr, ajaxOptions, thrownError) {
             console.error('Error on UPDATE to ' + url);
             console.error(thrownError);
-            if (options.error) {
-                options.error({
-                    error: thrownError
-                });
             }
-        }
-    })
+        });
 }
 
 // Return list of parts with optional filters
diff --git a/InvenTree/static/script/inventree/stock.js b/InvenTree/static/script/inventree/stock.js
index 8fd187c3b5..5786ac2622 100644
--- a/InvenTree/static/script/inventree/stock.js
+++ b/InvenTree/static/script/inventree/stock.js
@@ -50,11 +50,12 @@ function updateStock(items, options={}) {
         var item = items[idx];
 
         var vMin = 0;
-        var vMax = item.quantity;
+        var vMax = 0;
         var vCur = item.quantity;
 
         if (options.action == 'remove') {
             vCur = 0;
+            vMax = item.quantity;
         }
         else if (options.action == 'add') {
             vCur = 0;
@@ -140,18 +141,15 @@ function updateStock(items, options={}) {
                             'notes': $(modal).find('#stocktake-notes').val()
                         },
                         {
-                            success: function(response) {
-                                closeModal(modal);
-                                if (options.success) {
-                                    options.success();
-                                }
-                            },
-                            error: function(error) {
-                                alert(error);
-                            },
-                            method: 'post'
-                        }
-                        );
+                            method: 'post',
+                        }).then(function(response) {
+                            closeModal(modal);
+                            if (options.success) {
+                                options.success();
+                            }
+                        }).fail(function(xhr, status, error) {
+                            alert(error);
+                        });
     });
 }
 
@@ -162,20 +160,14 @@ function adjustStock(options) {
     else {
         // Lookup of individual item
         if (options.query.pk) {
-            getStockDetail(options.query.pk,
-                           {
-                               success: function(response) {
-                                   updateStock([response], options);
-                               }
-                           });
+            getStockDetail(options.query.pk).then(function(response) {
+                updateStock([response], options);
+            });
         }
         else {
-            getStockList(options.query,
-                 {
-                     success: function(response) {
-                         updateStock(response, options);
-                     }
-                 });
+            getStockList(options.query).then(function(response) {
+                updateStock(response, options);
+            });
          }
     }
 }