diff --git a/board/phytec/common/phytec_som_detection.c b/board/phytec/common/phytec_som_detection.c
index f9607b018d..a56e0f60d6 100644
--- a/board/phytec/common/phytec_som_detection.c
+++ b/board/phytec/common/phytec_som_detection.c
@@ -248,4 +248,9 @@ u8 __maybe_unused phytec_get_rev(struct phytec_eeprom_data *data)
 	return PHYTEC_EEPROM_INVAL;
 }
 
+u8 __maybe_unused phytec_get_som_type(struct phytec_eeprom_data *data)
+{
+	return PHYTEC_EEPROM_INVAL;
+}
+
 #endif /* IS_ENABLED(CONFIG_PHYTEC_SOM_DETECTION) */