diff --git a/apps/mavlink/mavlink_parameters.c b/apps/mavlink/mavlink_parameters.c
index 8278837e87..ef8f8b5e49 100644
--- a/apps/mavlink/mavlink_parameters.c
+++ b/apps/mavlink/mavlink_parameters.c
@@ -189,9 +189,9 @@ static int mavlink_pm_save_eeprom()
 	int result = param_export(fd, false);
 	close(fd);
 
-	if (result < 0) {
+	if (result != 0) {
 		unlink(mavlink_parameter_file);
-		warn("error exporting parameters to '%s'", mavlink_parameter_file);
+		warn(result, "error exporting parameters to '%s'", mavlink_parameter_file);
 		return -2;
 	}
 
@@ -218,7 +218,7 @@ mavlink_pm_load_eeprom()
 	int result = param_load(fd);
 	close(fd);
 
-	if (result < 0) {
+	if (result != 0) {
 		warn("error reading parameters from '%s'", mavlink_parameter_file);
 		return -2;
 	}