diff --git a/modules/gridmap/grid_map.cpp b/modules/gridmap/grid_map.cpp
index 503e723de2..5e30416641 100644
--- a/modules/gridmap/grid_map.cpp
+++ b/modules/gridmap/grid_map.cpp
@@ -1830,7 +1830,7 @@ GridMap::GridMap() {
 	baked_light_instance=NULL;
 	use_baked_light=false;
 
-
+	navigation = NULL;
 }