diff --git a/Arduino/epd4in01f/epd4in01f.cpp b/Arduino/epd4in01f/epd4in01f.cpp
index f7b55f1..55866ff 100644
--- a/Arduino/epd4in01f/epd4in01f.cpp
+++ b/Arduino/epd4in01f/epd4in01f.cpp
@@ -82,6 +82,7 @@ int Epd::Init(void) {
 	SendData(0x90);
 	SendCommand(0xE3);
 	SendData(0xAA);
+	return 0;
 }
 
 /**