diff --git a/glam/api/migrations/0026_fix_windows_release_sample_count.py b/glam/api/migrations/0026_fix_windows_release_sample_count.py
index f2dbd2354..df31a08d7 100644
--- a/glam/api/migrations/0026_fix_windows_release_sample_count.py
+++ b/glam/api/migrations/0026_fix_windows_release_sample_count.py
@@ -22,11 +22,12 @@ def do_migration(apps, fwd=True):
         total = table.count()
         table_iter = table.iterator(100000)
         for i, instance in enumerate(table_iter):
-            if fwd:
-                instance.total_sample *= 10
-            else:
-                instance.total_sample /= 10
-            instance.save()
+            if instance.total_sample is not None:
+                if fwd:
+                    instance.total_sample *= 10
+                else:
+                    instance.total_sample /= 10
+                instance.save()
             if i % 10000 == 0 or i + 1 == total:
                 print(
                     f"{i} out of {total} rows migrated ({round((i+1)/total*100, 1)}%)",
diff --git a/glam/api/migrations/0027_fix_fog_user_count_after_sampling.py b/glam/api/migrations/0027_fix_fog_user_count_after_sampling.py
index 3cc3f1c47..014bd2e73 100644
--- a/glam/api/migrations/0027_fix_fog_user_count_after_sampling.py
+++ b/glam/api/migrations/0027_fix_fog_user_count_after_sampling.py
@@ -17,11 +17,12 @@ def do_migration(apps, fwd=True):
         total = table.count()
         table_iter = table.iterator(100000)
         for i, instance in enumerate(table_iter):
-            if fwd:
-                instance.total_users *= 10
-            else:
-                instance.total_users /= 10
-            instance.save()
+            if instance.total_users is not None:
+                if fwd:
+                    instance.total_users *= 10
+                else:
+                    instance.total_users /= 10
+                instance.save()
             if i % 10000 == 0 or i + 1 == total:
                 print(
                     f"{i} out of {total} rows migrated ({round((i+1)/total*100, 1)}%)",