diff --git a/stm-firmware/hw-version-detect.c b/stm-firmware/hw-version-detect.c
index 64df7f4..d428d12 100644
--- a/stm-firmware/hw-version-detect.c
+++ b/stm-firmware/hw-version-detect.c
@@ -27,6 +27,10 @@
 #include <stm-periph/rcc-manager.h>
 #include <stm32/stm32f4xx.h>
 
+#if HW_REV_DETECT_PIN_LOW > HW_REV_DETECT_PIN_HIGH
+#error Configuration error for Hardware derection pins. Lowest position must be less than the highest pin position.
+#endif
+
 enum hw_revision get_pcb_hardware_version(void)
 {
 	uint8_t current_pin;
diff --git a/stm-firmware/include/reflow-controller/hw-version-detect.h b/stm-firmware/include/reflow-controller/hw-version-detect.h
index ef9721a..ff41ea4 100644
--- a/stm-firmware/include/reflow-controller/hw-version-detect.h
+++ b/stm-firmware/include/reflow-controller/hw-version-detect.h
@@ -48,7 +48,6 @@
  */
 #define HW_REV_DETECT_PIN_HIGH (15U)
 
-
 /**
  * @brief PCB/Hardware Revision Type
  */