diff --git a/evs/1.0/IEvsCamera.hal b/evs/1.0/IEvsCamera.hal
index a2fc565..d0559d7 100644
--- a/evs/1.0/IEvsCamera.hal
+++ b/evs/1.0/IEvsCamera.hal
@@ -65,7 +65,7 @@
      * as one), and if the supply is exhausted, no further frames may be
      * delivered until a buffer is returned.
      */
-    doneWithFrame(uint32_t frameId, handle bufferHandle) generates (EvsResult result);
+    oneway doneWithFrame(BufferDesc buffer);
 
     /**
      * Stop the delivery of EVS camera frames.