diff --git a/src/main.cpp b/src/main.cpp
index 2888249..14119d7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -8,6 +8,8 @@ void setup()
   ESP_LOGV("OS", "Initializing ESPMegaPRO");
   espmega.begin();
   espmega.inputs.preloadInputBuffer();
+  // Initialize Inputs
+  espmega.inputs.registerCallback(&input_callback);
   // Initialize IoT Modules
   ESP_LOGV("OS", "Initializing IoT Modules");
   espmega.setTimezone("ICT-7");