diff --git a/include/classes/IoTItem.h b/include/classes/IoTItem.h
index 4991e44f..372a77d4 100644
--- a/include/classes/IoTItem.h
+++ b/include/classes/IoTItem.h
@@ -25,7 +25,7 @@ class IoTItem {
 
     String getSubtype();
     String getID();
-    String getValue();
+    virtual String getValue();
 
     void setInterval(unsigned long interval);
 
diff --git a/src/modules/virtual/VButton/VButton.cpp b/src/modules/virtual/VButton/VButton.cpp
index caa09997..2bd19cb8 100644
--- a/src/modules/virtual/VButton/VButton.cpp
+++ b/src/modules/virtual/VButton/VButton.cpp
@@ -11,6 +11,10 @@ class VButton : public IoTItem {
         regEvent((String)(int)value.valD, "VButton");
     }
 
+    String getValue() {
+        return (String)(int)value.valD;
+    }
+
     void doByInterval() { }
 };