diff --git a/src/main.cpp b/src/main.cpp
index 510d2b7..4328572 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -208,10 +208,10 @@ void setup() {
   //           specific use case in the ST Phone Application.
   //******************************************************************************************
   // Polling Sensors
-  static st::IS_Contact vhod1(F("vhod_24"), 24, LOW);
-  static st::IS_Contact vhod2(F("vhod_25"), 25, LOW);
-  static st::IS_Contact vhod3(F("vhod_26"), 26, LOW);
-  static st::IS_Contact vhod4(F("vhod_27"), 27, LOW);
+  static st::IS_Button vhod1(F("vhod_24"), 24, LOW);
+  static st::IS_Button vhod2(F("vhod_25"), 25, LOW);
+  static st::IS_Button vhod3(F("vhod_26"), 26, LOW);
+  static st::IS_Button vhod4(F("vhod_27"), 27, LOW);
 
   // Executors
   static st::EX_Switch izhod1(F("izhod_28"), 28, LOW);