diff --git a/sleepless/sleepless_unix.go b/sleepless/sleepless_unix.go
index 835c647..70ac132 100644
--- a/sleepless/sleepless_unix.go
+++ b/sleepless/sleepless_unix.go
@@ -11,7 +11,7 @@ func PreventSleep(appName string, reason string) (func(), error) {
 	}
 
 	var cookie uint
-	err = conn.BusObject().Call("org.gnome.SessionManager.Inhibit", 0, appName, 0, reason, 0).Store(&cookie)
+	err = conn.BusObject().Call("org.gnome.SessionManager.Inhibit", 0, appName, uint(0), reason, uint(0)).Store(&cookie)
 	if err != nil {
 		return func() {}, err
 	}
diff --git a/state/statemanager.go b/state/statemanager.go
index 1d2a99c..266123f 100644
--- a/state/statemanager.go
+++ b/state/statemanager.go
@@ -24,7 +24,7 @@ func InitializeState() (*JcpState, error) {
 	jcpDir := path.Join(cacheDir, JcpStateDirectoryName)
 
 	err = os.Mkdir(jcpDir, os.ModePerm)
-	if !os.IsExist(err) {
+	if err != nil && !os.IsExist(err) {
 		return nil, err
 	}