diff --git a/tools/aapt2/Debug.h b/tools/aapt2/Debug.h
index 4da9204..8015249 100644
--- a/tools/aapt2/Debug.h
+++ b/tools/aapt2/Debug.h
@@ -40,7 +40,8 @@
   static void DumpXml(const xml::XmlResource& doc, text::Printer* printer);
   static void DumpResStringPool(const android::ResStringPool* pool, text::Printer* printer);
   static void DumpOverlayable(const ResourceTable& table, text::Printer* printer);
-  static void DumpChunks(const void* data, size_t len, text::Printer* printer, IDiagnostics* diag);
+  static void DumpChunks(const void* data, size_t len, text::Printer* printer,
+                         android::IDiagnostics* diag);
 };
 
 }  // namespace aapt