diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/exchange/ShuffleExchangeExec.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/exchange/ShuffleExchangeExec.scala
index 3b6eebd41e88..d6742ab3e0f3 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/exchange/ShuffleExchangeExec.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/exchange/ShuffleExchangeExec.scala
@@ -280,7 +280,7 @@ object ShuffleExchangeExec {
           }
           // The comparator for comparing row hashcode, which should always be Integer.
           val prefixComparator = PrefixComparators.LONG
-          val canUseRadixSort = SparkEnv.get.conf.get(SQLConf.RADIX_SORT_ENABLED)
+          val canUseRadixSort = SQLConf.get.enableRadixSort
           // The prefix computer generates row hashcode as the prefix, so we may decrease the
           // probability that the prefixes are equal when input rows choose column values from a
           // limited range.