diff --git a/hal/src/fsfw_hal/common/gpio/GpioIF.h b/hal/src/fsfw_hal/common/gpio/GpioIF.h
index 2c284094..f8ef9d9c 100644
--- a/hal/src/fsfw_hal/common/gpio/GpioIF.h
+++ b/hal/src/fsfw_hal/common/gpio/GpioIF.h
@@ -46,7 +46,7 @@ class GpioIF : public HasReturnvaluesIF {
    *          an ouput or input gpio.
    *
    * @param gpioId    A unique number which specifies the GPIO to read.
-   * @param gpioState State of GPIO will be written to this pointer.
+   * @param gpioState State of GPIO will be written to this reference
    */
   virtual ReturnValue_t readGpio(gpioId_t gpioId, gpio::Levels& gpioState) = 0;
 };
diff --git a/hal/src/fsfw_hal/linux/gpio/LinuxLibgpioIF.cpp b/hal/src/fsfw_hal/linux/gpio/LinuxLibgpioIF.cpp
index e9da5b03..03bc1830 100644
--- a/hal/src/fsfw_hal/linux/gpio/LinuxLibgpioIF.cpp
+++ b/hal/src/fsfw_hal/linux/gpio/LinuxLibgpioIF.cpp
@@ -300,6 +300,10 @@ ReturnValue_t LinuxLibgpioIF::readGpio(gpioId_t gpioId, gpio::Levels& gpioState)
       return GPIO_TYPE_FAILURE;
     }
     gpioState = static_cast<gpio::Levels>(gpiod_line_get_value(regularGpio->lineHandle));
+    if (gpioState == gpio::Levels::FAILED) {
+      // TODO: Print error
+      return RETURN_FAILED;
+    }
   } else {
     auto gpioCallback = dynamic_cast<GpioCallback*>(gpioMapIter->second);
     if (gpioCallback->callback == nullptr) {