diff --git a/mosfet/code/serialnmos/serialnmos.ino b/mosfet/code/serialnmos/serialnmos.ino
index 817031567109f87a9931ae79f3df9f3cf5515d8e..f5fe83f28f56c1b014ca6d3bfcfb92ddb0e94bd4 100644
--- a/mosfet/code/serialnmos/serialnmos.ino
+++ b/mosfet/code/serialnmos/serialnmos.ino
@@ -14,7 +14,7 @@
 
 #define PIN_LED_A 4
 #define PIN_LED_C 2
-#define PIN_GATE 5
+#define PIN_GATE 15
 
 void setup() {
   // put your setup code here, to run once: