diff --git a/src/SensorBHI260AP.hpp b/src/SensorBHI260AP.hpp
index 5212b02..4b2e2cd 100644
--- a/src/SensorBHI260AP.hpp
+++ b/src/SensorBHI260AP.hpp
@@ -728,7 +728,7 @@ class SensorBHI260AP
      */
     uint8_t digitalRead(uint8_t pin, bool pullup = false)
     {
-        if (pin > JTAG_DIO)return;
+        if (pin > JTAG_DIO)return 0;
         uint32_t pin_mask = pin   | BHY2_GPIO_SET;
         if (pullup) {
             pin_mask |= (BHY2_INPUT_PULLUP << 8);