diff --git a/Tests/varLib/varStore_test.py b/Tests/varLib/varStore_test.py
index b78ce47f8..02dfb2dd7 100644
--- a/Tests/varLib/varStore_test.py
+++ b/Tests/varLib/varStore_test.py
@@ -121,6 +121,23 @@ def buildAxis(axisTag):
             1,
             180,
         ),
+        (
+            5,
+            [
+                [0, 11, 12, 0, 20],
+                [0, 13, 12, 0, 20],
+                [0, 14, 12, 0, 20],
+                [0, 15, 12, 0, 20],
+                [0, 16, 12, 0, 20],
+                [10, 300, 0, 0, 20],
+                [10, 301, 0, 0, 20],
+                [10, 302, 0, 0, 20],
+                [10, 303, 0, 0, 20],
+                [10, 304, 0, 0, 20],
+            ],
+            2,
+            206,
+        ),
     ],
 )
 def test_optimize(numRegions, varData, expectedNumVarData, expectedBytes):