diff --git a/src/a110x/a110x.cxx b/src/a110x/a110x.cxx
index 2811e0e7..90230915 100644
--- a/src/a110x/a110x.cxx
+++ b/src/a110x/a110x.cxx
@@ -70,7 +70,7 @@ void A110X::installISR(void (*isr)(void *), void *arg)
     uninstallISR();
 
   // install our interrupt handler
-  mraa_gpio_isr(m_gpio, MRAA_GPIO_EDGE_FALLING, 
+  mraa_gpio_isr(m_gpio, MRAA_GPIO_EDGE_BOTH, 
                 isr, arg);
   m_isrInstalled = true;
 }