[E1 input] make sure config file with new E1 input config saves correctly
diff --git a/openbsc/src/input/misdn.c b/openbsc/src/input/misdn.c
index 77b1fd8..7604d01 100644
--- a/openbsc/src/input/misdn.c
+++ b/openbsc/src/input/misdn.c
@@ -386,7 +386,7 @@
 static int mi_e1_line_update(struct e1inp_line *line);
 
 struct e1inp_driver misdn_driver = {
-	.name = "mISDN",
+	.name = "misdn",
 	.want_write = ts_want_write,
 	.default_delay = 50000,
 	.line_update = &mi_e1_line_update,