diff --git a/slick_reporting/generator.py b/slick_reporting/generator.py
index 5546cbb..6e03c1f 100644
--- a/slick_reporting/generator.py
+++ b/slick_reporting/generator.py
@@ -827,7 +827,9 @@ def get_crosstab_parsed_columns(self):
                         "ref": magic_field_class,
                         "id": id,
                         "model": self.crosstab_model,
-                        "is_remainder": counter == ids_length,
+                        "is_remainder": counter == ids_length
+                        if self.crosstab_compute_remainder
+                        else False,
                         "source": "magic_field" if magic_field_class else "",
                         "is_summable": magic_field_class.is_summable,
                     }
diff --git a/tests/tests.py b/tests/tests.py
index 8900348..b688f9c 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -302,6 +302,16 @@ def test_productclientsalesmatrix(self):
         self.assertEqual(data[0]["__total__CT%s" % self.client2.pk], 600)
         self.assertEqual(data[0]["__total__CT----"], 900)
 
+    def test_productclientsalesmatrix_no_remainder(self):
+        report = report_generators.ProductClientSalesMatrix(
+            crosstab_ids=[self.client1.pk, self.client2.pk],
+            crosstab_compute_remainder=False,
+        )
+        data = report.get_report_data()
+        self.assertEqual(data[0]["__total__CT%s" % self.client1.pk], 300)
+        self.assertEqual(data[0]["__total__CT%s" % self.client2.pk], 600)
+        # self.assertEqual(data[0]["__total__CT----"], 900)
+
     def test_show_empty_records(self):
         report = report_generators.ClientTotalBalance()
         data = report.get_report_data()