diff --git a/extensions-contrib/compressed-bigdecimal/src/test/java/org/apache/druid/compressedbigdecimal/CompressedBigDecimalAggregatorTimeseriesTestBase.java b/extensions-contrib/compressed-bigdecimal/src/test/java/org/apache/druid/compressedbigdecimal/CompressedBigDecimalAggregatorTimeseriesTestBase.java
index 2e7c5111847e..9231d2c7dffb 100644
--- a/extensions-contrib/compressed-bigdecimal/src/test/java/org/apache/druid/compressedbigdecimal/CompressedBigDecimalAggregatorTimeseriesTestBase.java
+++ b/extensions-contrib/compressed-bigdecimal/src/test/java/org/apache/druid/compressedbigdecimal/CompressedBigDecimalAggregatorTimeseriesTestBase.java
@@ -27,6 +27,7 @@
 import org.apache.druid.query.Result;
 import org.apache.druid.query.aggregation.AggregationTestHelper;
 import org.apache.druid.query.timeseries.TimeseriesResultValue;
+import org.apache.druid.testing.InitializedNullHandlingTest;
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeZone;
 import org.junit.BeforeClass;
@@ -46,7 +47,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;
 
-public abstract class CompressedBigDecimalAggregatorTimeseriesTestBase
+public abstract class CompressedBigDecimalAggregatorTimeseriesTestBase extends InitializedNullHandlingTest
 {
   private final AggregationTestHelper helper;