diff --git a/mllib-dal/src/test/scala/com/intel/oap/mllib/CorrelationHomogenTableSuite.scala b/mllib-dal/src/test/scala/com/intel/oap/mllib/CorrelationHomogenTableSuite.scala
index fd512e8bd..58941bff3 100644
--- a/mllib-dal/src/test/scala/com/intel/oap/mllib/CorrelationHomogenTableSuite.scala
+++ b/mllib-dal/src/test/scala/com/intel/oap/mllib/CorrelationHomogenTableSuite.scala
@@ -45,7 +45,7 @@ class CorrelationHomogenTableSuite extends FunctionsSuite with Logging {
         val correlationDAL = new CorrelationDALImpl(1, 1)
         val gpuIndices = Array(0)
         val result = new CorrelationResult()
-        correlationDAL.cCorrelationTrainDAL(0, dataTable.getcObejct(), sourceData.length, sourceData(0).length,1, 1, Common.ComputeDevice.HOST.ordinal(), gpuIndices, "", result);
+        correlationDAL.cCorrelationTrainDAL(0, dataTable.getcObejct(), sourceData.length, sourceData(0).length,1, 1, Common.ComputeDevice.HOST.ordinal(), gpuIndices, "", ", result);
         val correlationMatrix = TestCommon.getMatrixFromTable(OneDAL.makeHomogenTable(
             result.getCorrelationNumericTable), TestCommon.getComputeDevice)