diff --git a/tailbone/views/master.py b/tailbone/views/master.py
index 163fe91e..daac610b 100644
--- a/tailbone/views/master.py
+++ b/tailbone/views/master.py
@@ -2128,7 +2128,9 @@ class MasterView(View):
     def get_merge_resulting_data(self, remove, keep):
         result = dict(keep)
         for field in self.get_merge_coalesce_fields():
-            if remove[field] and not keep[field]:
+            if remove[field] is not None and keep[field] is None:
+                result[field] = remove[field]
+            elif remove[field] and not keep[field]:
                 result[field] = remove[field]
         for field in self.get_merge_additive_fields():
             if isinstance(keep[field], (list, tuple)):