diff --git a/library/Osmocom_VTY_Functions.ttcn b/library/Osmocom_VTY_Functions.ttcn
index 49f587d56..0d42a8e95 100644
--- a/library/Osmocom_VTY_Functions.ttcn
+++ b/library/Osmocom_VTY_Functions.ttcn
@@ -100,6 +100,7 @@ module Osmocom_VTY_Functions {
 
 	/* send a VTY command and obtain response until prompt is received */
 	function f_vty_transceive_ret(TELNETasp_PT pt, charstring tx, boolean strict := true) return charstring {
+		log("VTY: ", tx);
 		pt.send(tx);
 		return f_vty_wait_for_prompt(pt, strict, tx);
 	}