diff --git a/rs.spec b/rs.spec
index 97ecca0..14094c4 100644
--- a/rs.spec
+++ b/rs.spec
@@ -77,10 +77,16 @@
 	ret RsElement
 	}
 
-AllocationUpdateFromBitmap {
+AllocationCopyFromBitmap {
 	param RsAllocation alloc
-	param RsElement srcFmt
 	param const void * data
+	param size_t dataLen
+	}
+
+AllocationCopyToBitmap {
+	param RsAllocation alloc
+	param void * data
+	param size_t dataLen
 	}
 
 AllocationCreateBitmapRef {