diff --git a/debian/changelog b/debian/changelog
index 6222598..c6be13a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+excelsior-tools (1-3) UNRELEASED; urgency=medium
+
+  * Fix pinout assignment.
+
+ -- Coral Team <coral-support@google.com>  Mon, 23 Nov 2020 16:11:41 -0800
+
 excelsior-tools (1-2) mendel-eagle; urgency=medium
 
   * Add snapshot tool
diff --git a/pinout b/pinout
index cd47c10..958f6de 100755
--- a/pinout
+++ b/pinout
@@ -62,7 +62,7 @@
     11: ('GPIO (gpio396)',            Kind.GPIO),  12: ('GPIO (gpio423) / I2S_BCK', Kind.SAI),
     13: ('GPIO (gpio397)',            Kind.GPIO),  14: ('GND',                      Kind.GND),
     15: ('PWM (pwmchip0.2)',          Kind.PWM),   16: ('GPIO (gpio387)',           Kind.GPIO),
-    17: ('3.3V',                      Kind.POWER), 18: ('GPIO (gpio399)',           Kind.GPIO),
+    17: ('3.3V',                      Kind.POWER), 18: ('GPIO (gpio388)',           Kind.GPIO),
     19: ('SPI_MOSI (spidev0)',        Kind.SPI),   20: ('GND',                      Kind.GND),
     21: ('SPI_MISO (spidev0)',        Kind.SPI),   22: ('GPIO (gpio394)',           Kind.GPIO),
     23: ('SPI_SCLK (spidev0)',        Kind.SPI),   24: ('SPI_CSB (spidev0.0)',      Kind.SPI),