diff --git a/.dialyzer_ignore.exs b/.dialyzer_ignore.exs
index eb310e6..d78f743 100644
--- a/.dialyzer_ignore.exs
+++ b/.dialyzer_ignore.exs
@@ -1,7 +1,7 @@
 # .dialyzer_ignore.exs
 #
 # See https://github.com/jeremyjh/dialyxir#elixir-term-format
+# Run "MIX_TARGET=host mix dialyzer --format short"
 [
-  {"lib/nerves_livebook/fwup.ex", :no_return, 31},
-  {"lib/nerves_livebook/application.ex", :pattern_match, 99}
+  {"lib/nerves_livebook/fwup.ex:31:17:no_return The created anonymous function has no local return."}
 ]
diff --git a/lib/nerves_livebook/wifi_monitor.ex b/lib/nerves_livebook/wifi_monitor.ex
index 1ebe772..6cd0109 100644
--- a/lib/nerves_livebook/wifi_monitor.ex
+++ b/lib/nerves_livebook/wifi_monitor.ex
@@ -55,7 +55,7 @@ defmodule NervesLivebook.WiFiMonitor do
         stop(state)
 
       unconfigured?() ->
-        start_ap(state)
+        _ = start_ap(state)
         stop(state)
 
       true ->