diff --git a/servers/physics_server_2d.h b/servers/physics_server_2d.h
index ff6d179f5b7..35430e4a46c 100644
--- a/servers/physics_server_2d.h
+++ b/servers/physics_server_2d.h
@@ -164,8 +164,8 @@ public:
 		Vector2 normal;
 		RID rid;
 		ObjectID collider_id;
-		Object *collider;
-		int shape;
+		Object *collider = nullptr;
+		int shape = 0;
 		Variant metadata;
 	};
 
@@ -174,8 +174,8 @@ public:
 	struct ShapeResult {
 		RID rid;
 		ObjectID collider_id;
-		Object *collider;
-		int shape;
+		Object *collider = nullptr;
+		int shape = 0;
 		Variant metadata;
 	};
 
@@ -193,7 +193,7 @@ public:
 		Vector2 normal;
 		RID rid;
 		ObjectID collider_id;
-		int shape;
+		int shape = 0;
 		Vector2 linear_velocity; //velocity at contact point
 		Variant metadata;
 	};
diff --git a/servers/physics_server_3d.h b/servers/physics_server_3d.h
index 4e76f7ce7eb..ec4914641a1 100644
--- a/servers/physics_server_3d.h
+++ b/servers/physics_server_3d.h
@@ -157,8 +157,8 @@ public:
 	struct ShapeResult {
 		RID rid;
 		ObjectID collider_id;
-		Object *collider;
-		int shape;
+		Object *collider = nullptr;
+		int shape = 0;
 	};
 
 	virtual int intersect_point(const Vector3 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = 0xFFFFFFFF, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) = 0;
@@ -168,8 +168,8 @@ public:
 		Vector3 normal;
 		RID rid;
 		ObjectID collider_id;
-		Object *collider;
-		int shape;
+		Object *collider = nullptr;
+		int shape = 0;
 	};
 
 	virtual bool intersect_ray(const Vector3 &p_from, const Vector3 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = 0xFFFFFFFF, bool p_collide_with_bodies = true, bool p_collide_with_areas = false, bool p_pick_ray = false) = 0;
@@ -181,7 +181,7 @@ public:
 		Vector3 normal;
 		RID rid;
 		ObjectID collider_id;
-		int shape;
+		int shape = 0;
 		Vector3 linear_velocity; //velocity at contact point
 	};