diff --git a/src/roken/afsroken.def b/src/roken/afsroken.def
index 84661b7f32..5b49a93d54 100644
--- a/src/roken/afsroken.def
+++ b/src/roken/afsroken.def
@@ -32,4 +32,5 @@ EXPORTS
         rk_opterr               @36 DATA
 	rk_mkstemp		@37
 	rk_asnprintf		@38
+	rk_asprintf		@39