diff --git a/gralloc/QtiMapper.cpp b/gralloc/QtiMapper.cpp
index dba446a..1d687e8 100644
--- a/gralloc/QtiMapper.cpp
+++ b/gralloc/QtiMapper.cpp
@@ -245,6 +245,10 @@
   auto hnd = static_cast<private_handle_t *>(buffer);
   uint32_t num_fds = 0, num_ints = 0;
   if (buffer != nullptr && private_handle_t::validate(hnd) == 0) {
+    if (buf_mgr_->IsBufferImported(hnd) != Error::NONE) {
+      hidl_cb(err, num_fds, num_ints);
+      return Void();
+    }
     num_fds = 2;
     // TODO(user): reduce to transported values;
     num_ints = static_cast<uint32_t >(hnd->numInts);