diff --git a/libs/androidfw/CursorWindow.cpp b/libs/androidfw/CursorWindow.cpp
index 3527eeead1d59..87ae45bedd67e 100644
--- a/libs/androidfw/CursorWindow.cpp
+++ b/libs/androidfw/CursorWindow.cpp
@@ -227,6 +227,7 @@ status_t CursorWindow::writeToParcel(Parcel* parcel) {
         if (!dest) goto fail;
         memcpy(static_cast<uint8_t*>(dest),
                 static_cast<uint8_t*>(mData), mAllocOffset);
+        memset(static_cast<uint8_t*>(dest) + mAllocOffset, 0, 4);
         memcpy(static_cast<uint8_t*>(dest) + compactedSize - slotsSize,
                 static_cast<uint8_t*>(mData) + mSlotsOffset, slotsSize);
     }