diff --git a/libraries/Arduino_LED_Matrix/src/Arduino_LED_Matrix.h b/libraries/Arduino_LED_Matrix/src/Arduino_LED_Matrix.h
index 3bbb76887..b3ebfc2b0 100644
--- a/libraries/Arduino_LED_Matrix/src/Arduino_LED_Matrix.h
+++ b/libraries/Arduino_LED_Matrix/src/Arduino_LED_Matrix.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #include "Arduino.h"
 #include "FspTimer.h"
 #include "gallery.h"
@@ -300,4 +302,4 @@ class ArduinoLEDMatrix
             }
         }
     }
-};
\ No newline at end of file
+};