diff --git a/openbsc/src/input/misdn.c b/openbsc/src/input/misdn.c
index de8d41f..44f0964 100644
--- a/openbsc/src/input/misdn.c
+++ b/openbsc/src/input/misdn.c
@@ -47,6 +47,7 @@
 #include <openbsc/abis_rsl.h>
 #include <openbsc/subchan_demux.h>
 #include <openbsc/e1_input.h>
+#include <openbsc/talloc.h>
 
 /* data structure for one E1 interface with A-bis */
 struct mi_e1_handle {
@@ -136,7 +137,7 @@
 		link = e1inp_lookup_sign_link(e1i_ts, l2addr.tei, l2addr.sapi);
 		if (!link) {
 			DEBUGPC(DMI, "mISDN message for unknown sign_link\n");
-			free(msg);
+			msgb_free(msg);
 			return -EINVAL;
 		}
 		/* save the channel number in the driver private struct */
@@ -483,7 +484,7 @@
 
 	/* create the actual line instance */
 	/* FIXME: do this independent of driver registration */
-	e1h = malloc(sizeof(*e1h));
+	e1h = talloc(tall_bsc_ctx, struct mi_e1_handle);
 	memset(e1h, 0, sizeof(*e1h));
 
 	e1h->cardnr = cardnr;