diff --git a/src/core/osmo_io.c b/src/core/osmo_io.c
index e176099..c67787b 100644
--- a/src/core/osmo_io.c
+++ b/src/core/osmo_io.c
@@ -120,7 +120,7 @@
 		talloc_steal(iofd, msg);
 	}
 
-	hdr = talloc_zero(msg, struct iofd_msghdr);
+	hdr = talloc_zero(iofd, struct iofd_msghdr);
 	if (!hdr) {
 		if (free_msg)
 			talloc_free(msg);