diff --git a/src/tbf_ul_ass_fsm.c b/src/tbf_ul_ass_fsm.c
index ab23fbd..d2dea46 100644
--- a/src/tbf_ul_ass_fsm.c
+++ b/src/tbf_ul_ass_fsm.c
@@ -110,7 +110,12 @@
 	};
 	bitvec_unhex(&bv, DUMMY_VEC);
 
-	LOGPTBFUL((const struct gprs_rlcmac_tbf *)new_tbf, LOGL_INFO, "start Packet Uplink Assignment (PACCH)\n");
+	if (ctx->tbf != (struct gprs_rlcmac_tbf *)new_tbf)
+		LOGPTBFUL(ctx->tbf, LOGL_INFO, "start Packet Uplink Assignment (PACCH) for %s\n",
+			  tbf_name((const struct gprs_rlcmac_tbf *)new_tbf));
+	else
+		LOGPTBFUL(ctx->tbf, LOGL_INFO, "start Packet Uplink Assignment (PACCH)\n");
+
 	mac_control_block = (RlcMacDownlink_t *)talloc_zero(ctx->tbf, RlcMacDownlink_t);
 	tlli = ms_tlli(ms);
 	write_packet_uplink_assignment(mac_control_block, tbf_tfi(ctx->tbf),