diff --git a/flash.c b/flash.c
index 7b11684..abcec06 100644
--- a/flash.c
+++ b/flash.c
@@ -2,7 +2,7 @@
 #include <8052.h>
 
 #ifndef FLASH_PIN 
-#define FLASH_PIN _P2_0
+#define FLASH_PIN _P1_0
 #endif
 
 #ifndef IRQFREQ