diff --git a/scene/2d/navigation_region_2d.cpp b/scene/2d/navigation_region_2d.cpp
index 19484442b12..abbfbf83b75 100644
--- a/scene/2d/navigation_region_2d.cpp
+++ b/scene/2d/navigation_region_2d.cpp
@@ -118,7 +118,7 @@ Array NavigationPolygon::_get_polygons() const {
 	return ret;
 }
 
-void NavigationPolygon::_set_outlines(const TypedArray<Vector<int32_t>> &p_array) {
+void NavigationPolygon::_set_outlines(const TypedArray<Vector<Vector2>> &p_array) {
 
 	outlines.resize(p_array.size());
 	for (int i = 0; i < p_array.size(); i++) {
diff --git a/scene/2d/navigation_region_2d.h b/scene/2d/navigation_region_2d.h
index cbfe4299fbb..e730df6373c 100644
--- a/scene/2d/navigation_region_2d.h
+++ b/scene/2d/navigation_region_2d.h
@@ -58,7 +58,7 @@ protected:
 	void _set_polygons(const TypedArray<Vector<int32_t>> &p_array);
 	Array _get_polygons() const;
 
-	void _set_outlines(const TypedArray<Vector<int32_t>> &p_array);
+	void _set_outlines(const TypedArray<Vector<Vector2>> &p_array);
 	Array _get_outlines() const;
 
 public: