diff --git a/simulat0r/firmware/core/gpio/gpio.c b/simulat0r/firmware/core/gpio/gpio.c
index 2c8d214..990bc12 100644
--- a/simulat0r/firmware/core/gpio/gpio.c
+++ b/simulat0r/firmware/core/gpio/gpio.c
@@ -53,6 +53,7 @@ void gpioIntDisable (uint32_t portNum, uint32_t bitPos) {
 
 uint32_t  gpioIntStatus (uint32_t portNum, uint32_t bitPos) {
   printf("uint32_t  gpioIntStatus (uint32_t portNum, uint32_t bitPos)\n");
+  return 0;
 }
 
 void gpioIntClear (uint32_t portNum, uint32_t bitPos) {