diff --git a/editor/gui/editor_file_dialog.h b/editor/gui/editor_file_dialog.h
index 7d6fa19a443f..6272e27f8260 100644
--- a/editor/gui/editor_file_dialog.h
+++ b/editor/gui/editor_file_dialog.h
@@ -268,7 +268,7 @@ class EditorFileDialog : public ConfirmationDialog {
 	void _notification(int p_what);
 	bool _set(const StringName &p_name, const Variant &p_value) { return property_helper.property_set_value(p_name, p_value); }
 	bool _get(const StringName &p_name, Variant &r_ret) const { return property_helper.property_get_value(p_name, r_ret); }
-	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list, options.size()); }
+	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list); }
 	bool _property_can_revert(const StringName &p_name) const { return property_helper.property_can_revert(p_name); }
 	bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return property_helper.property_get_revert(p_name, r_property); }
 	static void _bind_methods();
diff --git a/scene/2d/tile_map.cpp b/scene/2d/tile_map.cpp
index f7d672620d31..d1f1c97ca2ea 100644
--- a/scene/2d/tile_map.cpp
+++ b/scene/2d/tile_map.cpp
@@ -722,7 +722,7 @@ bool TileMap::_get(const StringName &p_name, Variant &r_ret) const {
 
 void TileMap::_get_property_list(List<PropertyInfo> *p_list) const {
 	p_list->push_back(PropertyInfo(Variant::INT, "format", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL));
-	property_helper.get_property_list(p_list, layers.size());
+	property_helper.get_property_list(p_list);
 }
 
 Vector2 TileMap::map_to_local(const Vector2i &p_pos) const {
diff --git a/scene/gui/file_dialog.h b/scene/gui/file_dialog.h
index 4236f0a56b0a..9680157f0a41 100644
--- a/scene/gui/file_dialog.h
+++ b/scene/gui/file_dialog.h
@@ -194,7 +194,7 @@ class FileDialog : public ConfirmationDialog {
 	void _notification(int p_what);
 	bool _set(const StringName &p_name, const Variant &p_value) { return property_helper.property_set_value(p_name, p_value); }
 	bool _get(const StringName &p_name, Variant &r_ret) const { return property_helper.property_get_value(p_name, r_ret); }
-	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list, options.size()); }
+	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list); }
 	bool _property_can_revert(const StringName &p_name) const { return property_helper.property_can_revert(p_name); }
 	bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return property_helper.property_get_revert(p_name, r_property); }
 	static void _bind_methods();
diff --git a/scene/gui/item_list.h b/scene/gui/item_list.h
index 4c035ee4e64e..9a57b9d8fe49 100644
--- a/scene/gui/item_list.h
+++ b/scene/gui/item_list.h
@@ -162,7 +162,7 @@ class ItemList : public Control {
 	void _notification(int p_what);
 	bool _set(const StringName &p_name, const Variant &p_value);
 	bool _get(const StringName &p_name, Variant &r_ret) const { return property_helper.property_get_value(p_name, r_ret); }
-	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list, items.size()); }
+	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list); }
 	bool _property_can_revert(const StringName &p_name) const { return property_helper.property_can_revert(p_name); }
 	bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return property_helper.property_get_revert(p_name, r_property); }
 	static void _bind_methods();
diff --git a/scene/gui/menu_button.h b/scene/gui/menu_button.h
index 2bd577ddd0c2..5a74d61091c7 100644
--- a/scene/gui/menu_button.h
+++ b/scene/gui/menu_button.h
@@ -52,7 +52,7 @@ class MenuButton : public Button {
 	void _notification(int p_what);
 	bool _set(const StringName &p_name, const Variant &p_value);
 	bool _get(const StringName &p_name, Variant &r_ret) const;
-	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list, popup->get_item_count()); }
+	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list); }
 	bool _property_can_revert(const StringName &p_name) const { return property_helper.property_can_revert(p_name); }
 	bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return property_helper.property_get_revert(p_name, r_property); }
 	static void _bind_methods();
diff --git a/scene/gui/option_button.h b/scene/gui/option_button.h
index 4b5164161ae7..351df9a74977 100644
--- a/scene/gui/option_button.h
+++ b/scene/gui/option_button.h
@@ -84,7 +84,7 @@ class OptionButton : public Button {
 	void _notification(int p_what);
 	bool _set(const StringName &p_name, const Variant &p_value);
 	bool _get(const StringName &p_name, Variant &r_ret) const { return property_helper.property_get_value(p_name, r_ret); }
-	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list, popup->get_item_count()); }
+	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list); }
 	bool _property_can_revert(const StringName &p_name) const { return property_helper.property_can_revert(p_name); }
 	bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return property_helper.property_get_revert(p_name, r_property); }
 	void _validate_property(PropertyInfo &p_property) const;
diff --git a/scene/gui/popup_menu.h b/scene/gui/popup_menu.h
index 832c1bcc8be5..c6eef03aca39 100644
--- a/scene/gui/popup_menu.h
+++ b/scene/gui/popup_menu.h
@@ -218,7 +218,7 @@ class PopupMenu : public Popup {
 	void _notification(int p_what);
 	bool _set(const StringName &p_name, const Variant &p_value);
 	bool _get(const StringName &p_name, Variant &r_ret) const { return property_helper.property_get_value(p_name, r_ret); }
-	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list, items.size()); }
+	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list); }
 	bool _property_can_revert(const StringName &p_name) const { return property_helper.property_can_revert(p_name); }
 	bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return property_helper.property_get_revert(p_name, r_property); }
 	static void _bind_methods();
diff --git a/scene/gui/tab_bar.h b/scene/gui/tab_bar.h
index 52f1da5ec871..d62b39ae16fd 100644
--- a/scene/gui/tab_bar.h
+++ b/scene/gui/tab_bar.h
@@ -175,7 +175,7 @@ class TabBar : public Control {
 
 	bool _set(const StringName &p_name, const Variant &p_value) { return property_helper.property_set_value(p_name, p_value); }
 	bool _get(const StringName &p_name, Variant &r_ret) const { return property_helper.property_get_value(p_name, r_ret); }
-	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list, tabs.size()); }
+	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list); }
 	bool _property_can_revert(const StringName &p_name) const { return property_helper.property_can_revert(p_name); }
 	bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return property_helper.property_get_revert(p_name, r_property); }
 	void _notification(int p_what);
diff --git a/scene/property_list_helper.cpp b/scene/property_list_helper.cpp
index 152ecaf89db6..ce258ee8c3e6 100644
--- a/scene/property_list_helper.cpp
+++ b/scene/property_list_helper.cpp
@@ -122,8 +122,9 @@ bool PropertyListHelper::is_property_valid(const String &p_property, int *r_inde
 	return property_list.has(components[1]);
 }
 
-void PropertyListHelper::get_property_list(List<PropertyInfo> *p_list, int p_count) const {
-	for (int i = 0; i < p_count; i++) {
+void PropertyListHelper::get_property_list(List<PropertyInfo> *p_list) const {
+	const int property_count = _call_array_length_getter();
+	for (int i = 0; i < property_count; i++) {
 		for (const KeyValue<String, Property> &E : property_list) {
 			const Property &property = E.value;
 
@@ -177,7 +178,9 @@ bool PropertyListHelper::property_get_revert(const String &p_property, Variant &
 
 PropertyListHelper::~PropertyListHelper() {
 	// No object = it's the main helper. Do a cleanup.
-	if (!object) {
+	if (!object && is_initialized()) {
+		memdelete(array_length_getter);
+
 		for (const KeyValue<String, Property> &E : property_list) {
 			if (E.value.setter) {
 				memdelete(E.value.setter);
diff --git a/scene/property_list_helper.h b/scene/property_list_helper.h
index e19e7cd22e13..6bc65f6e3eee 100644
--- a/scene/property_list_helper.h
+++ b/scene/property_list_helper.h
@@ -77,7 +77,7 @@ class PropertyListHelper {
 	void setup_for_instance(const PropertyListHelper &p_base, Object *p_object);
 	bool is_property_valid(const String &p_property, int *r_index = nullptr) const;
 
-	void get_property_list(List<PropertyInfo> *p_list, int p_count) const;
+	void get_property_list(List<PropertyInfo> *p_list) const;
 	bool property_get_value(const String &p_property, Variant &r_ret) const;
 	bool property_set_value(const String &p_property, const Variant &p_value) const;
 	bool property_can_revert(const String &p_property) const;
diff --git a/servers/audio/audio_stream.h b/servers/audio/audio_stream.h
index 01a4a09942f0..aa1ad4cc3ad3 100644
--- a/servers/audio/audio_stream.h
+++ b/servers/audio/audio_stream.h
@@ -260,7 +260,7 @@ class AudioStreamRandomizer : public AudioStream {
 
 	bool _set(const StringName &p_name, const Variant &p_value) { return property_helper.property_set_value(p_name, p_value); }
 	bool _get(const StringName &p_name, Variant &r_ret) const { return property_helper.property_get_value(p_name, r_ret); }
-	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list, audio_stream_pool.size()); }
+	void _get_property_list(List<PropertyInfo> *p_list) const { property_helper.get_property_list(p_list); }
 	bool _property_can_revert(const StringName &p_name) const { return property_helper.property_can_revert(p_name); }
 	bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return property_helper.property_get_revert(p_name, r_property); }