diff --git a/src/main/java/ru/ulstu/controller/IndexController.java b/src/main/java/ru/ulstu/controller/IndexController.java
index f749ca9..86389b2 100644
--- a/src/main/java/ru/ulstu/controller/IndexController.java
+++ b/src/main/java/ru/ulstu/controller/IndexController.java
@@ -73,7 +73,8 @@ public class IndexController {
         if (chartForm.getTimeSeriesMeta() != null
                 && chartForm.getTimeSeriesMeta().getKey() != null
                 && !chartForm.getTimeSeriesMeta().getKey().isEmpty()
-                && chartForm.getMethodClassName() != null) {
+                && chartForm.getMethodClassName() != null
+                && !chartForm.getMethodClassName().equals("")) {
             addChartToModel(dbService.getTimeSeries(chartForm.getSet(), chartForm.getTimeSeriesMeta().getKey()), chartForm.getMethodClassName(), model);
         }
         return "method";