diff --git a/main.c b/main.c
index 471c4230..6c9c3eb9 100644
--- a/main.c
+++ b/main.c
@@ -382,7 +382,7 @@ int main(int argc, char * argv[]) {
 	if (atmosphere == 0) {
 		sensor[PRES] = 0;
 		strcpy(sensor_string[PRES], "0.0");
-		sensor[ALT] = 109343;
+		sensor[ALT] = 1000;
 		strcpy(sensor_string[ALT], "1000");
 		sensor[HUMI] = 0;
 		strcpy(sensor_string[HUMI], "0.0");