diff --git a/Tests/UnitTests/ReaderTests/Config/ExperimentalHtkmlfReaderSimpleDataLoop20_Config.cntk b/Tests/UnitTests/ReaderTests/Config/ExperimentalHtkmlfReaderSimpleDataLoop20_Config.cntk
new file mode 100644
index 000000000000..f4bf0c4e2c67
--- /dev/null
+++ b/Tests/UnitTests/ReaderTests/Config/ExperimentalHtkmlfReaderSimpleDataLoop20_Config.cntk
@@ -0,0 +1,34 @@
+RootDir = .
+DataDir = $RootDir$
+
+# deviceId = -1 for CPU, >= 0 for GPU devices
+deviceId = -1
+
+precision = "double"
+
+Simple_Test = [
+    reader = [
+        readerType = "ExperimentalHTKMLFReader"
+        readMethod = "blockRandomize"
+        miniBatchMode = "partial"
+        randomize = "auto"
+        verbosity = 2   
+
+        features1 = [
+            dim = 363
+            scpFile = "$DataDir$/glob_0000.scp"
+            type = "real"
+        ]
+        features2 = [
+            dim = 363
+            scpFile = "$DataDir$/glob_0000.scp"
+            type = "real"
+        ]
+        labels = [
+            mlfFile = "$DataDir$/glob_0000.mlf"
+            labelMappingFile = "$DataDir$/state.list"
+            labelDim = 132
+            labelType = "category"
+        ]
+    ]
+]
\ No newline at end of file
diff --git a/Tests/UnitTests/ReaderTests/HTKLMFReaderTests.cpp b/Tests/UnitTests/ReaderTests/HTKLMFReaderTests.cpp
index 76dedad8aca5..5f98d211d86a 100644
--- a/Tests/UnitTests/ReaderTests/HTKLMFReaderTests.cpp
+++ b/Tests/UnitTests/ReaderTests/HTKLMFReaderTests.cpp
@@ -542,6 +542,24 @@ BOOST_AUTO_TEST_CASE(ExperimentalHTKMLFReaderSimpleDataLoop10)
         1);
 };
 
+BOOST_AUTO_TEST_CASE(ExperimentalHTKMLFReaderSimpleDataLoop20)
+{
+    HelperRunReaderTest<double>(
+        testDataPath() + "/Config/ExperimentalHtkmlfReaderSimpleDataLoop20_Config.cntk",
+        testDataPath() + "/Control/HTKMLFReaderSimpleDataLoop10_20_Control.txt",
+        testDataPath() + "/Control/HTKMLFReaderSimpleDataLoop20_Output.txt",
+        "Simple_Test",
+        "reader",
+        500,
+        250,
+        2,
+        2,
+        1,
+        0,
+        1);
+};
+
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }