diff --git a/rs.spec b/rs.spec
index ad162bb..c7fb2af 100644
--- a/rs.spec
+++ b/rs.spec
@@ -80,6 +80,7 @@
 	param const RsElement * elements
 	param const char ** names
 	param const size_t * nameLengths
+	param const uint32_t * arraySize
 	ret RsElement
 	}