diff --git a/brother_ql_web.py b/brother_ql_web.py
index dcdeaafb..335093cc 100755
--- a/brother_ql_web.py
+++ b/brother_ql_web.py
@@ -72,7 +72,7 @@ def get_label_context(request):
       'margin_right':  float(d.get('margin_right',  35))/100.,
       'grocycode': d.get('grocycode', None),
       'product': d.get('product', None),
-      'duedate': d.get('duedate', None)
+      'due_date': d.get('due_date', None)
     }
     context['margin_top']    = int(context['font_size']*context['margin_top'])
     context['margin_bottom'] = int(context['font_size']*context['margin_bottom'])
@@ -150,7 +150,7 @@ def create_label_im(text, **kwargs):
 
 def create_label_grocy(text, **kwargs):
     product = kwargs['product']
-    duedate = kwargs['duedate']
+    due_date = kwargs['due_date']
     grocycode = kwargs['grocycode']
 
 
@@ -161,7 +161,7 @@ def create_label_grocy(text, **kwargs):
     datamatrix.save('/tmp/dmtx.png')
 
     product_font = ImageFont.truetype(kwargs['font_path'], 100)
-    duedate_font = ImageFont.truetype(kwargs['font_path'], 60)
+    due_date_font = ImageFont.truetype(kwargs['font_path'], 60)
     width = kwargs['width']
     height = 200
     if kwargs['orientation'] == 'rotated':
@@ -192,7 +192,7 @@ def create_label_grocy(text, **kwargs):
 
     draw.text(textoffset, product, kwargs['fill_color'], font=product_font)
 
-    if duedate is not None:
+    if due_date is not None:
         if kwargs['orientation'] == 'standard':
             vertical_offset += 110
             horizontal_offset = kwargs['margin_left']
@@ -201,7 +201,7 @@ def create_label_grocy(text, **kwargs):
             horizontal_offset += 110
         textoffset = horizontal_offset, vertical_offset
 
-        draw.text(textoffset, duedate, kwargs['fill_color'], font=duedate_font)
+        draw.text(textoffset, due_date, kwargs['fill_color'], font=due_date_font)
 
     return im