added power button gpio
diff --git a/bin/Barreleye.py b/bin/Barreleye.py
index d2abde5..901fcfc 100644
--- a/bin/Barreleye.py
+++ b/bin/Barreleye.py
@@ -386,7 +386,7 @@
 GPIO_CONFIG['CRONUS_SEL'] = { 'gpio_num': 6, 'direction': 'out'  }
 GPIO_CONFIG['PGOOD']      = { 'gpio_num': 23, 'direction': 'in'  }
 GPIO_CONFIG['IDENTIFY']   = { 'gpio_num': 34, 'direction': 'out' }
-GPIO_CONFIG['POWER_BUTTON'] =  { 'gpio_num': 32, 'direction': 'in' }
+GPIO_CONFIG['POWER_BUTTON'] =  { 'gpio_num': 32, 'direction': 'falling' }
 GPIO_CONFIG['SLOT0_RISER_PRESENT'] =   { 'gpio_num': 104, 'direction': 'in' }
 GPIO_CONFIG['SLOT1_RISER_PRESENT'] =   { 'gpio_num': 105, 'direction': 'in' }
 GPIO_CONFIG['SLOT2_RISER_PRESENT'] =   { 'gpio_num': 106, 'direction': 'in' }