diff --git a/Source/CNTKv2LibraryDll/Function.h b/Source/CNTKv2LibraryDll/Function.h
index 93a599551886..513dd5b4449d 100644
--- a/Source/CNTKv2LibraryDll/Function.h
+++ b/Source/CNTKv2LibraryDll/Function.h
@@ -390,7 +390,7 @@ namespace CNTK
             if (leftOperandShape.SubShape(outputRank) != rightOperandShape.SubShape(0, numReductionAxes))
             {
                 InvalidArgument("The %d trailing dimensions of the left operand (%s) do not match the right operand's leading dimensions (%s)",
-                                numReductionAxes,
+                                (int)numReductionAxes,
                                 AsString(leftOperandShape.SubShape(outputRank)).c_str(),
                                 AsString(rightOperandShape).c_str());
             }
diff --git a/Tests/UnitTests/V2LibraryTests/Seq2Seq.cpp b/Tests/UnitTests/V2LibraryTests/Seq2Seq.cpp
index e561a76864a5..37223a9ab0aa 100644
--- a/Tests/UnitTests/V2LibraryTests/Seq2Seq.cpp
+++ b/Tests/UnitTests/V2LibraryTests/Seq2Seq.cpp
@@ -99,7 +99,7 @@ void TrainSequenceToSequenceTranslator(const DeviceDescriptor& device, bool useS
 
     auto decoderOutputH = Stabilize<float>(decoderInput, device);
     FunctionPtr decoderOutputC;
-    auto pastValueRecurrenceHookWithBeamSearchReordering = [addBeamSearchReorderingHook, beamSearchReorderHook](const Variable& operand) {
+    auto pastValueRecurrenceHookWithBeamSearchReordering = [addBeamSearchReorderingHook, beamSearchReorderHook](const FunctionPtr& operand) {
         return PastValue(addBeamSearchReorderingHook ? Times(operand, beamSearchReorderHook) : operand);
     };
 
@@ -114,11 +114,11 @@ void TrainSequenceToSequenceTranslator(const DeviceDescriptor& device, bool useS
         else
         {
             auto isFirst = Sequence::IsFirst(labelEmbedding);
-            recurrenceHookH = [labelEmbedding, thoughtVectorBroadcastH, isFirst, addBeamSearchReorderingHook, beamSearchReorderHook](const Variable& operand) {
+            recurrenceHookH = [labelEmbedding, thoughtVectorBroadcastH, isFirst, addBeamSearchReorderingHook, beamSearchReorderHook](const FunctionPtr& operand) {
                 return ElementSelect(isFirst, thoughtVectorBroadcastH, PastValue(addBeamSearchReorderingHook ? Times(operand, beamSearchReorderHook) : operand));
             };
 
-            recurrenceHookC = [labelEmbedding, thoughtVectorBroadcastC, isFirst, addBeamSearchReorderingHook, beamSearchReorderHook](const Variable& operand) {
+            recurrenceHookC = [labelEmbedding, thoughtVectorBroadcastC, isFirst, addBeamSearchReorderingHook, beamSearchReorderHook](const FunctionPtr& operand) {
                 return ElementSelect(isFirst, thoughtVectorBroadcastC, PastValue(addBeamSearchReorderingHook ? Times(operand, beamSearchReorderHook) : operand));
             };
         }