diff --git a/scene/3d/area.cpp b/scene/3d/area.cpp
index 27bace95293..99f43b12424 100644
--- a/scene/3d/area.cpp
+++ b/scene/3d/area.cpp
@@ -753,6 +753,7 @@ Area::Area() :
 	angular_damp = 1;
 	priority = 0;
 	monitoring = false;
+	monitorable = false;
 	collision_mask = 1;
 	collision_layer = 1;
 	set_ray_pickable(false);