diff --git a/libs/ui/FramebufferNativeWindow.cpp b/libs/ui/FramebufferNativeWindow.cpp
index 3ead25c..59db157 100644
--- a/libs/ui/FramebufferNativeWindow.cpp
+++ b/libs/ui/FramebufferNativeWindow.cpp
@@ -74,7 +74,7 @@
  */
 
 FramebufferNativeWindow::FramebufferNativeWindow()
-    : BASE(), fbDev(0), grDev(0), mUpdateOnDemand(false)
+    : BASE(), fbDev(0), grDev(0), mCurrentBufferIndex(0), mUpdateOnDemand(false)
 {
     hw_module_t const* module;
     if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module) == 0) {
diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index e55db30..72d390c 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -43,7 +43,7 @@
 
 GraphicBuffer::GraphicBuffer()
     : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()),
-      mInitCheck(NO_ERROR), mId(getUniqueId())
+      mInitCheck(NO_ERROR), mId(getUniqueId()), mGenerationNumber(0)
 {
     width  =
     height =
@@ -56,7 +56,7 @@
 GraphicBuffer::GraphicBuffer(uint32_t inWidth, uint32_t inHeight,
         PixelFormat inFormat, uint32_t inUsage)
     : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()),
-      mInitCheck(NO_ERROR), mId(getUniqueId())
+      mInitCheck(NO_ERROR), mId(getUniqueId()), mGenerationNumber(0)
 {
     width  =
     height =
@@ -72,7 +72,7 @@
         native_handle_t* inHandle, bool keepOwnership)
     : BASE(), mOwner(keepOwnership ? ownHandle : ownNone),
       mBufferMapper(GraphicBufferMapper::get()),
-      mInitCheck(NO_ERROR), mId(getUniqueId())
+      mInitCheck(NO_ERROR), mId(getUniqueId()), mGenerationNumber(0)
 {
     width  = static_cast<int>(inWidth);
     height = static_cast<int>(inHeight);
@@ -85,7 +85,8 @@
 GraphicBuffer::GraphicBuffer(ANativeWindowBuffer* buffer, bool keepOwnership)
     : BASE(), mOwner(keepOwnership ? ownHandle : ownNone),
       mBufferMapper(GraphicBufferMapper::get()),
-      mInitCheck(NO_ERROR), mWrappedBuffer(buffer), mId(getUniqueId())
+      mInitCheck(NO_ERROR), mWrappedBuffer(buffer), mId(getUniqueId()),
+      mGenerationNumber(0)
 {
     width  = buffer->width;
     height = buffer->height;