diff --git a/stm-firmware/settings/settings-sd-card.c b/stm-firmware/settings/settings-sd-card.c
index b0cf51b..741faca 100644
--- a/stm-firmware/settings/settings-sd-card.c
+++ b/stm-firmware/settings/settings-sd-card.c
@@ -136,7 +136,9 @@ int sd_card_settings_try_load_calibration(float *sens_deviation, float *offset)
 
 	get_controller_settings_path(path, sizeof(path), "calibration");
 	p = config_parser_open_file(&parser, false, path, workbuff, sizeof(workbuff));
-	status = 0;
+
+	if (!p)
+		return status;
 	do {
 		res = config_parser_get_line(p, &entry, true);
 		if (res == CONFIG_PARSER_OK) {