diff --git a/integration_tests/src/main/python/delta_zorder_test.py b/integration_tests/src/main/python/delta_zorder_test.py
index a420413cf77..34c8d7709ff 100644
--- a/integration_tests/src/main/python/delta_zorder_test.py
+++ b/integration_tests/src/main/python/delta_zorder_test.py
@@ -144,7 +144,8 @@ def build_and_optimize_tables(spark):
             ('ex_skey', IntegerGen(nullable=False, min_val=0, max_val=1000, special_cases=[])),
             ('value', int_gen),
             ('filter', RepeatSeqGen(
-                IntegerGen(min_val=0, max_val=2000, special_cases=[]), length=2000 // 20))
+                IntegerGen(nullable=False, min_val=0, max_val=2000, special_cases=[]),
+                length=2000 // 20))
         ], 2000)
         df.write.format("delta") \
             .mode("overwrite") \