diff --git a/lib/zclient.c b/lib/zclient.c
index ccd8bfc..a253af6 100644
--- a/lib/zclient.c
+++ b/lib/zclient.c
@@ -270,7 +270,7 @@
   return 0;
 }
 
-static void
+void
 zclient_create_header (struct stream *s, uint16_t command)
 {
   /* length placeholder, caller can update */