diff --git a/InvenTree/company/api.py b/InvenTree/company/api.py
index 6e1e5c162d..50048eb322 100644
--- a/InvenTree/company/api.py
+++ b/InvenTree/company/api.py
@@ -89,7 +89,10 @@ class SupplierPartList(generics.ListCreateAPIView):
     def get_serializer(self, *args, **kwargs):
 
         # Do we wish to include extra detail?
-        part_detail = str2bool(self.request.GET.get('part_detail', None))
+        try:
+            part_detail = str2bool(self.request.GET.get('part_detail', None))
+        except AttributeError:
+            part_detail = None
 
         kwargs['part_detail'] = part_detail
         kwargs['context'] = self.get_serializer_context()
diff --git a/InvenTree/part/api.py b/InvenTree/part/api.py
index 4b1e449c08..f7b02ccfa4 100644
--- a/InvenTree/part/api.py
+++ b/InvenTree/part/api.py
@@ -273,8 +273,12 @@ class BomList(generics.ListCreateAPIView):
     def get_serializer(self, *args, **kwargs):
 
         # Do we wish to include extra detail?
-        part_detail = str2bool(self.request.GET.get('part_detail', None))
-        sub_part_detail = str2bool(self.request.GET.get('sub_part_detail', None))
+        try:
+            part_detail = str2bool(self.request.GET.get('part_detail', None))
+            sub_part_detail = str2bool(self.request.GET.get('sub_part_detail', None))
+        except AttributeError:
+            part_detail = None
+            sub_part_detail = None
 
         kwargs['part_detail'] = part_detail
         kwargs['sub_part_detail'] = sub_part_detail
diff --git a/InvenTree/stock/api.py b/InvenTree/stock/api.py
index 8240c6b837..8d08b8da7d 100644
--- a/InvenTree/stock/api.py
+++ b/InvenTree/stock/api.py
@@ -261,8 +261,12 @@ class StockList(generics.ListCreateAPIView):
 
     def get_serializer(self, *args, **kwargs):
 
-        part_detail = str2bool(self.request.GET.get('part_detail', None))
-        location_detail = str2bool(self.request.GET.get('location_detail', None))
+        try:
+            part_detail = str2bool(self.request.GET.get('part_detail', None))
+            location_detail = str2bool(self.request.GET.get('location_detail', None))
+        except AttributeError:
+            part_detail = None
+            location_detail = None
 
         kwargs['part_detail'] = part_detail
         kwargs['location_detail'] = location_detail