diff --git a/kernel/kernel-defaults/src/test/scala/io/delta/kernel/defaults/InCommitTimestampSuite.scala b/kernel/kernel-defaults/src/test/scala/io/delta/kernel/defaults/InCommitTimestampSuite.scala
index 78aa2ed473e..0ddd39e2d98 100644
--- a/kernel/kernel-defaults/src/test/scala/io/delta/kernel/defaults/InCommitTimestampSuite.scala
+++ b/kernel/kernel-defaults/src/test/scala/io/delta/kernel/defaults/InCommitTimestampSuite.scala
@@ -17,26 +17,23 @@ package io.delta.kernel.defaults
 
 import io.delta.kernel.Operation.{CREATE_TABLE, WRITE}
 import io.delta.kernel._
+import io.delta.kernel.defaults.engine.DefaultEngine
 import io.delta.kernel.engine.Engine
 import io.delta.kernel.exceptions.{InvalidTableException, ProtocolChangedException}
 import io.delta.kernel.expressions.Literal
+import io.delta.kernel.internal.TableConfig._
+import io.delta.kernel.internal.actions.SingleAction.createCommitInfoSingleAction
 import io.delta.kernel.internal.actions.{CommitInfo, SingleAction}
 import io.delta.kernel.internal.fs.Path
-import io.delta.kernel.internal.util.{FileNames, VectorUtils}
-import io.delta.kernel.internal.{DeltaHistoryManager, SnapshotImpl, TableImpl}
-import io.delta.kernel.internal.util.ManualClock
 import io.delta.kernel.internal.util.Utils.singletonCloseableIterator
-import io.delta.kernel.types.IntegerType.INTEGER
-import io.delta.kernel.types._
-import io.delta.kernel.utils.CloseableIterable.{emptyIterable, inMemoryIterable}
+import io.delta.kernel.internal.util.{FileNames, ManualClock, VectorUtils}
+import io.delta.kernel.internal.{SnapshotImpl, TableImpl}
+import io.delta.kernel.utils.CloseableIterable.emptyIterable
+import io.delta.kernel.utils.FileStatus
+import org.apache.hadoop.conf.Configuration
 
-import java.util.{Locale, Optional}
-import scala.collection.JavaConverters._
+import java.util.Optional
 import scala.collection.immutable.{ListMap, Seq}
-import scala.collection.mutable
-import io.delta.kernel.internal.TableConfig._
-import io.delta.kernel.utils.FileStatus
-import io.delta.kernel.internal.actions.SingleAction.createCommitInfoSingleAction
 
 class InCommitTimestampSuite extends DeltaTableWriteSuiteBase {
 
@@ -579,4 +576,15 @@ class InCommitTimestampSuite extends DeltaTableWriteSuiteBase {
         "table.")))
     }
   }
+
+  test("CommitInfo getCommitInfoOpt should work after Spark optimize") {
+    withTempDir { dir =>
+      spark.range(10).repartition(2).write.format("delta").save(dir.toString)
+      spark.sql(s"OPTIMIZE delta.`$dir`").collect()
+
+      val engine = DefaultEngine.create(new Configuration())
+
+      CommitInfo.getCommitInfoOpt(engine, new Path(dir.getCanonicalPath, "_delta_log"), 1L)
+    }
+  }
 }
diff --git a/spark/src/main/scala/org/apache/spark/sql/delta/DeltaOperations.scala b/spark/src/main/scala/org/apache/spark/sql/delta/DeltaOperations.scala
index 644a468afba..ffc4d2ae941 100644
--- a/spark/src/main/scala/org/apache/spark/sql/delta/DeltaOperations.scala
+++ b/spark/src/main/scala/org/apache/spark/sql/delta/DeltaOperations.scala
@@ -699,7 +699,7 @@ object DeltaOperations {
       // When clustering columns are specified, set the zOrderBy key to empty.
       ZORDER_PARAMETER_KEY -> JsonUtils.toJson(if (clusterBy.isEmpty) zOrderBy else Seq.empty),
       CLUSTERING_PARAMETER_KEY -> JsonUtils.toJson(clusterBy.getOrElse(Seq.empty)),
-      AUTO_COMPACTION_PARAMETER_KEY -> auto
+      AUTO_COMPACTION_PARAMETER_KEY -> auto.toString
     )
     // `isFull` is not relevant for non-clustering tables, so skip it.
     .++(clusterBy.filter(_.nonEmpty).map(_ => CLUSTERING_IS_FULL_KEY -> isFull))