diff --git a/include/osmocom/msc/a_reset.h b/include/osmocom/msc/a_reset.h
index 7aaab06..cdb17c2 100644
--- a/include/osmocom/msc/a_reset.h
+++ b/include/osmocom/msc/a_reset.h
@@ -45,7 +45,8 @@
 };
 
 /* Create and start state machine which handles the reset/reset-ack procedure */
-struct a_reset_ctx *a_reset_alloc(const void *ctx, const char *name, void *cb, void *priv);
+struct a_reset_ctx *a_reset_alloc(const void *ctx, const char *name, void *cb, void *priv,
+				  bool already_connected);
 
 /* Tear down state machine */
 void a_reset_free(struct a_reset_ctx *reset);