diff --git a/pic/MDR/MDR.c b/pic/MDR/MDR.c
index d362e2c..3124ec9 100644
--- a/pic/MDR/MDR.c
+++ b/pic/MDR/MDR.c
@@ -233,6 +233,7 @@ void save_code()
 void clear_memory(void)
 {
 	uint16_t address;
+	uint16_t wait;
 	/* go through memory */
 	for (address=0; address<0x7FFF; address++) {
 		if ((address%0x40)==0) { /* select page */
@@ -253,6 +254,9 @@ void clear_memory(void)
 		send_byte(0x00); /* clear byte */
 		if ((address%0x40)==0x3f) { /* end of page */
 			send_stop(); /* finish transaction */
+			for (wait=0; wait<1024; wait++) { /* wait for eeprom to be writen */
+				wait;
+			}
 		}
 	}
 }