diff --git a/Controllers/QMKRGBMatrixController/QMKRGBMatrixController.cpp b/Controllers/QMKRGBMatrixController/QMKRGBMatrixController.cpp
index 3ba801857..5848a651f 100644
--- a/Controllers/QMKRGBMatrixController/QMKRGBMatrixController.cpp
+++ b/Controllers/QMKRGBMatrixController/QMKRGBMatrixController.cpp
@@ -8,6 +8,7 @@
 \*-------------------------------------------------------------------*/
 
 #include "QMKRGBMatrixController.h"
+#include <cstring>
 
 QMKRGBMatrixController::QMKRGBMatrixController(hid_device* dev_handle, const char* path)
 {