diff --git a/src/modules/navigator/mission_block.cpp b/src/modules/navigator/mission_block.cpp
index 48e1687048..3a6abd5fa7 100644
--- a/src/modules/navigator/mission_block.cpp
+++ b/src/modules/navigator/mission_block.cpp
@@ -488,7 +488,7 @@ MissionBlock::issue_command(const struct mission_item_s *item)
 float
 MissionBlock::get_time_inside(const struct mission_item_s &item)
 {
-	if (item.nav_cmd == NAV_CMD_TAKEOFF) {
+	if (item.nav_cmd != NAV_CMD_TAKEOFF) {
 		return item.time_inside;
 	}