diff --git a/src/eRum.erl b/src/eRum.erl
index e1d87be..ea146c2 100644
--- a/src/eRum.erl
+++ b/src/eRum.erl
@@ -118,7 +118,7 @@ start(App) ->
    start_ok(App, application:start(App, permanent)).
 
 start_ok(_App, ok) -> ok;
-start_ok(_App, {error, {already_started, _App}}) -> ok;
+start_ok(_App1, {error, {already_started, _App2}}) -> ok;
 start_ok(App, {error, {not_started, Dep}}) ->
    ok = start(Dep),
    start(App);