diff --git a/indieauth.go b/indieauth.go
index b5610c8..3871c09 100644
--- a/indieauth.go
+++ b/indieauth.go
@@ -88,12 +88,7 @@ func (h *IndieAuthHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			}
 			return
 		} else if r.URL.Path == "logout" {
-			sess.LoggedIn = false
-			sess.State = ""
-			sess.Me = ""
-			sess.AuthorizationEndpoint = ""
-			sess.NextURI = ""
-			sess.RedirectURI = ""
+			cleanupSession(sess)
 			http.Redirect(w, r, "/", 302)
 			return
 		}
@@ -137,3 +132,12 @@ func (h *IndieAuthHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 }
+
+func cleanupSession(sess *Session) {
+	sess.LoggedIn = false
+	sess.State = ""
+	sess.Me = ""
+	sess.AuthorizationEndpoint = ""
+	sess.NextURI = ""
+	sess.RedirectURI = ""
+}