--- conky-1.11.5/src/core.cc	2019-08-12 23:53:54.000000000 +0200
+++ /tmp/core.cc	2020-01-04 17:37:17.188851000 +0100
@@ -1097,6 +1097,11 @@
   END OBJ(sip_status, &get_sip_status) obj->data.s = STRNDUP_ARG;
   obj->callbacks.print = &print_sip_status;
   obj->callbacks.free = &gen_free_opaque;
+#elif defined(__FreeBSD__)
+  END OBJ_IF_ARG(if_mounted, nullptr, "if_mounted needs an argument")
+      obj->data.s = STRNDUP_ARG;
+  obj->callbacks.iftest = &check_mount;
+  obj->callbacks.free = &gen_free_opaque;
 #else
   END OBJ_IF_ARG(if_running, 0, "if_running needs an argument")