diff --git a/examples/dfu/open_bootloader/main.c b/examples/dfu/open_bootloader/main.c
index 48dd76b..c93eec1 100644
--- a/examples/dfu/open_bootloader/main.c
+++ b/examples/dfu/open_bootloader/main.c
@@ -63,6 +63,7 @@
 #include "app_timer.h"
 #include "nrf_delay.h"
 #include "nrf_clock.h"
+#include "nrf_drv_gpiote.h"
 
 /* Timer used to blink LED on DFU progress. */
 APP_TIMER_DEF(m_dfu_progress_led_timer);
@@ -194,6 +195,31 @@ static void dfu_observer(nrf_dfu_evt_type_t evt_type)
             break;
     }
 }
+
+
+void in_pin_handler(nrf_drv_gpiote_pin_t pin, nrf_gpiote_polarity_t action)
+{
+    NRF_LOG_INFO("Pin change interrupt!");
+}
+
+
+static void gpio_in_init(void)
+{
+    ret_code_t err_code;
+
+    err_code = nrf_drv_gpiote_init();
+    APP_ERROR_CHECK(err_code);
+
+    nrf_drv_gpiote_in_config_t in_config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(true);
+    in_config.pull = NRF_GPIO_PIN_PULLUP;
+
+    err_code = nrf_drv_gpiote_in_init(BSP_BUTTON_0, &in_config, in_pin_handler);
+    APP_ERROR_CHECK(err_code);
+
+    nrf_drv_gpiote_in_event_enable(BSP_BUTTON_0, true);
+}
+
+
 /**@brief Function for application main entry.
  */
 int main(void)
@@ -216,6 +242,8 @@ int main(void)
     NRF_LOG_INFO("Open USB bootloader started");
     NRF_LOG_FLUSH();
 
+    gpio_in_init();
+
     ret_val = nrf_bootloader_init(dfu_observer);
     APP_ERROR_CHECK(ret_val);