diff --git a/shepherd/__init__.py b/shepherd/__init__.py
index fcd0d79..6784fe6 100644
--- a/shepherd/__init__.py
+++ b/shepherd/__init__.py
@@ -15,7 +15,7 @@
 
 from shepherd.blueprints import upload, run, pyls, editor, staticroutes
 
-START_BUTTON_PIN = 5  # This is a BCM pin number (BCM0 corresponds to phys27).
+START_BUTTON_PIN = 26  # GPIO 26, pin 37
 
 syslogger = logging.getLogger()
 syslogger.addHandler(SysLogHandler('/dev/log'))