diff --git a/climate-server.go b/climate-server.go
index 8ac1a94..40afed2 100644
--- a/climate-server.go
+++ b/climate-server.go
@@ -61,7 +61,7 @@ func sendData(w http.ResponseWriter, r *http.Request) {
 	if vars := mux.Vars(r); vars["mins"] != "" {
 		newCount, err := strconv.ParseInt(vars["mins"], 10, 0)
 		if err != nil {
-			http.Redirect(w, r, ROOT_URL + "/", 303)
+			http.Redirect(w, r, "/" + ROOT_URL + "/", 303)
 		}
 		count = newCount
 	}