diff --git a/graphics/mapper/2.1/utils/vts/MapperVts.cpp b/graphics/mapper/2.1/utils/vts/MapperVts.cpp
index 0aaa926..078068e 100644
--- a/graphics/mapper/2.1/utils/vts/MapperVts.cpp
+++ b/graphics/mapper/2.1/utils/vts/MapperVts.cpp
@@ -43,6 +43,13 @@
                       offsetof(IMapper::BufferDescriptorInfo, usage),
               "");
 
+Gralloc::Gralloc() : V2_0::vts::Gralloc() {
+    if (::testing::Test::HasFatalFailure()) {
+        return;
+    }
+    init();
+}
+
 Gralloc::Gralloc(const std::string& allocatorServiceName, const std::string& mapperServiceName)
     : V2_0::vts::Gralloc(allocatorServiceName, mapperServiceName) {
     if (::testing::Test::HasFatalFailure()) {
diff --git a/graphics/mapper/2.1/utils/vts/include/mapper-vts/2.1/MapperVts.h b/graphics/mapper/2.1/utils/vts/include/mapper-vts/2.1/MapperVts.h
index b7fa751..423d4b3 100644
--- a/graphics/mapper/2.1/utils/vts/include/mapper-vts/2.1/MapperVts.h
+++ b/graphics/mapper/2.1/utils/vts/include/mapper-vts/2.1/MapperVts.h
@@ -32,6 +32,7 @@
 // A wrapper to IAllocator and IMapper.
 class Gralloc : public V2_0::vts::Gralloc {
    public:
+    Gralloc();
     Gralloc(const std::string& allocatorServiceName, const std::string& mapperServiceName);
 
     sp<IMapper> getMapper() const;