diff --git a/include/ui/Gralloc1On0Adapter.h b/include/ui/Gralloc1On0Adapter.h
index 8beb281..33c2f87 100644
--- a/include/ui/Gralloc1On0Adapter.h
+++ b/include/ui/Gralloc1On0Adapter.h
@@ -104,7 +104,7 @@
 
     // Buffer descriptor lifecycle functions
 
-    class Descriptor;
+    struct Descriptor;
 
     gralloc1_error_t createDescriptor(
             gralloc1_buffer_descriptor_t* outDescriptor);