diff --git a/openbsc/src/libbsc/abis_rsl.c b/openbsc/src/libbsc/abis_rsl.c
index c253366..cb2c9bc 100644
--- a/openbsc/src/libbsc/abis_rsl.c
+++ b/openbsc/src/libbsc/abis_rsl.c
@@ -849,7 +849,7 @@
 
 	osmo_timer_del(&msg->lchan->act_timer);
 
-	LOGP(DRSL, LOGL_ERROR, "%s CHANNEL ACTIVATE NACK",
+	LOGP(DRSL, LOGL_ERROR, "%s CHANNEL ACTIVATE NACK ",
 		gsm_lchan_name(msg->lchan));
 
 	/* BTS has rejected channel activation ?!? */