diff --git a/include/libsigrok/libsigrok.h b/include/libsigrok/libsigrok.h
index a384f611..3daf616d 100644
--- a/include/libsigrok/libsigrok.h
+++ b/include/libsigrok/libsigrok.h
@@ -976,6 +976,12 @@ enum sr_configkey {
 	/** Over-temperature protection (OTP) active. */
 	SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE,
 
+	/** Under-voltage condition. */
+	SR_CONF_UNDER_VOLTAGE_CONDITION,
+
+	/** Under-voltage condition active. */
+	SR_CONF_UNDER_VOLTAGE_CONDITION_ACTIVE,
+
 	/* Update sr_key_info_config[] (hwdriver.c) upon changes! */
 
 	/*--- Special stuff -------------------------------------------------*/
diff --git a/src/hwdriver.c b/src/hwdriver.c
index 5790e320..81a86a79 100644
--- a/src/hwdriver.c
+++ b/src/hwdriver.c
@@ -171,6 +171,10 @@ static struct sr_key_info sr_key_info_config[] = {
 		"Equivalent circuit model", NULL},
 	{SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE, SR_T_BOOL, "otp_active",
 		"Over-temperature protection active", NULL},
+	{SR_CONF_UNDER_VOLTAGE_CONDITION, SR_T_BOOL, "uvc",
+		"Under-voltage condition", NULL},
+	{SR_CONF_UNDER_VOLTAGE_CONDITION_ACTIVE, SR_T_BOOL, "uvc_active",
+		"Under-voltage condition active", NULL},
 
 	/* Special stuff */
 	{SR_CONF_SESSIONFILE, SR_T_STRING, "sessionfile",