diff --git a/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.c b/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.c
index 9074c6c..8541571 100644
--- a/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.c
+++ b/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.c
@@ -227,11 +227,11 @@
       if (EFI_ERROR (Status)) {
         return Status;
       }
-      Image += ChunkHeader->ChunkSize * SparseHeader->BlockSize;
-      Offset += ChunkHeader->ChunkSize * SparseHeader->BlockSize;
+      Image += (UINTN)ChunkHeader->ChunkSize * SparseHeader->BlockSize;
+      Offset += (UINTN)ChunkHeader->ChunkSize * SparseHeader->BlockSize;
       break;
     case CHUNK_TYPE_FILL:
-      Left = ChunkHeader->ChunkSize * SparseHeader->BlockSize;
+      Left = (UINTN)ChunkHeader->ChunkSize * SparseHeader->BlockSize;
       while (Left > 0) {
         if (Left > FILL_BUF_SIZE) {
           Count = FILL_BUF_SIZE;
@@ -254,7 +254,7 @@
       Image += sizeof (UINT32);
       break;
     case CHUNK_TYPE_DONT_CARE:
-      Offset += ChunkHeader->ChunkSize * SparseHeader->BlockSize;
+      Offset += (UINTN)ChunkHeader->ChunkSize * SparseHeader->BlockSize;
       break;
     default:
       UnicodeSPrint (