diff --git a/src/input/kbUsbImpl.cpp b/src/input/kbUsbImpl.cpp
index a96997c90..6c78ced75 100644
--- a/src/input/kbUsbImpl.cpp
+++ b/src/input/kbUsbImpl.cpp
@@ -1,4 +1,4 @@
-#include "KbUsbImpl.h"
+#include "kbUsbImpl.h"
 #include "InputBroker.h"
 
 #if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32C3
diff --git a/src/input/kbUsbImpl.h b/src/input/kbUsbImpl.h
index 42028e184..63c97fbb0 100644
--- a/src/input/kbUsbImpl.h
+++ b/src/input/kbUsbImpl.h
@@ -2,6 +2,8 @@
 #include "kbUsbBase.h"
 #include "main.h"
 
+#if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32C3
+
 /**
  * @brief The idea behind this class to have static methods for the event handlers.
  *      Check attachInterrupt() at RotaryEncoderInteruptBase.cpp
@@ -16,4 +18,6 @@ class KbUsbImpl : public KbUsbBase
     void init();
 };
 
-extern KbUsbImpl *kbUsbImpl;
\ No newline at end of file
+extern KbUsbImpl *kbUsbImpl;
+
+#endif
\ No newline at end of file