diff --git a/modules/terrain_editor/terrain_primitive.cpp b/modules/terrain_editor/terrain_primitive.cpp
index eee04bb3..757d9e77 100644
--- a/modules/terrain_editor/terrain_primitive.cpp
+++ b/modules/terrain_editor/terrain_primitive.cpp
@@ -124,7 +124,13 @@ void NoisePrimitive::evaluate(Vector2 at, float &io_height) const {
 }
 
 void NoisePrimitive::set_noise(Ref<Noise> noise) {
+	if (this->noise.is_valid()) {
+		this->noise->disconnect_changed(callable_mp(cast_to<Resource>(this), &Resource::emit_changed));
+	}
 	this->noise = noise;
+	if (this->noise.is_valid()) {
+		this->noise->connect_changed(callable_mp(cast_to<Resource>(this), &Resource::emit_changed));
+	}
 	emit_changed();
 }