diff --git a/avr/send.c b/avr/send.c
index d89e224..86311cc 100644
--- a/avr/send.c
+++ b/avr/send.c
@@ -37,14 +37,14 @@ static volatile uint16_t i = 0,
 
 static void spi_start() {
     /*
-     * Configure MISO as output
+     * Configure MISO as input 
      */
-    DDRB |= (1 << DDB4);
+    DDRB &= ~(1 << DDB4);
 
     /*
-     * Configure MOSI as input
+     * Configure MOSI as output
      */
-    DDRB &= ~(1 << DDB3);
+    DDRB |= (1 << DDB3);
 
     /*
      * Configure SCK pin as output