diff --git a/bin/comet-spark-shell b/bin/comet-spark-shell
index 9ae55a1b3..72100d2d2 100755
--- a/bin/comet-spark-shell
+++ b/bin/comet-spark-shell
@@ -81,4 +81,6 @@ RUST_BACKTRACE=1 $SPARK_HOME/bin/spark-shell \
   --conf spark.comet.enabled=true \
   --conf spark.comet.exec.enabled=true \
   --conf spark.comet.exec.all.enabled=true \
+  --conf spark.comet.exec.shuffle.enabled=true \
+  --conf spark.shuffle.manager=org.apache.spark.sql.comet.execution.shuffle.CometShuffleManager \
 $@