diff --git a/freon@UshakovVasilii_Github.yahoo.com/sensorsUtil.js b/freon@UshakovVasilii_Github.yahoo.com/sensorsUtil.js
index 90c6ca9..dbe689a 100644
--- a/freon@UshakovVasilii_Github.yahoo.com/sensorsUtil.js
+++ b/freon@UshakovVasilii_Github.yahoo.com/sensorsUtil.js
@@ -24,6 +24,7 @@ export default class SensorsUtil extends CommandLineUtil {
                     let lineRemoved = this._output.filter(l => l.trim() !== ',').join('\n');
                     let errorRemoved = lineRemoved.replace(/ERROR.*Can't read/, "");
                         errorRemoved = errorRemoved.replace(/ERROR.*I\/O error/, "");
+                        errorRemoved = errorRemoved.replace(/NaN/, "0");
                         data = JSON.parse(errorRemoved);
                 } catch (e) {
                     logError(e);