diff --git a/editor/editor_inspector.cpp b/editor/editor_inspector.cpp
index 3b37adb830e..2064b6f3a1b 100644
--- a/editor/editor_inspector.cpp
+++ b/editor/editor_inspector.cpp
@@ -1613,12 +1613,11 @@ void EditorInspectorArray::_rmb_popup_id_pressed(int p_id) {
 			_clear_array();
 			break;
 		case OPTION_RESIZE_ARRAY:
-			new_size = count;
-			new_size_line_edit->set_text(Variant(new_size));
+			new_size_spin_box->set_value(count);
 			resize_dialog->get_ok_button()->set_disabled(true);
-			resize_dialog->popup_centered();
-			new_size_line_edit->grab_focus();
-			new_size_line_edit->select_all();
+			resize_dialog->popup_centered(Size2i(250, 0) * EDSCALE);
+			new_size_spin_box->get_line_edit()->grab_focus();
+			new_size_spin_box->get_line_edit()->select_all();
 			break;
 		default:
 			break;
@@ -2013,36 +2012,21 @@ int EditorInspectorArray::_drop_position() const {
 	return -1;
 }
 
-void EditorInspectorArray::_new_size_line_edit_text_changed(String p_text) {
-	bool valid = false;
-	if (p_text.is_valid_int()) {
-		int val = p_text.to_int();
-		if (val > 0 && val != count) {
-			valid = true;
-		}
-	}
-	resize_dialog->get_ok_button()->set_disabled(!valid);
-}
-
-void EditorInspectorArray::_new_size_line_edit_text_submitted(String p_text) {
-	bool valid = false;
-	if (p_text.is_valid_int()) {
-		int val = p_text.to_int();
-		if (val > 0 && val != count) {
-			new_size = val;
-			valid = true;
-		}
-	}
-	if (valid) {
-		resize_dialog->hide();
-		_resize_array(new_size);
-	} else {
-		new_size_line_edit->set_text(Variant(new_size));
-	}
-}
-
 void EditorInspectorArray::_resize_dialog_confirmed() {
-	_new_size_line_edit_text_submitted(new_size_line_edit->get_text());
+	if (int(new_size_spin_box->get_value()) == count) {
+		return;
+	}
+
+	resize_dialog->hide();
+	_resize_array(int(new_size_spin_box->get_value()));
+}
+
+void EditorInspectorArray::_new_size_spin_box_value_changed(float p_value) {
+	resize_dialog->get_ok_button()->set_disabled(int(p_value) == count);
+}
+
+void EditorInspectorArray::_new_size_spin_box_text_submitted(String p_text) {
+	_resize_dialog_confirmed();
 }
 
 void EditorInspectorArray::_setup() {
@@ -2342,10 +2326,11 @@ EditorInspectorArray::EditorInspectorArray() {
 	VBoxContainer *resize_dialog_vbox = memnew(VBoxContainer);
 	resize_dialog->add_child(resize_dialog_vbox);
 
-	new_size_line_edit = memnew(LineEdit);
-	new_size_line_edit->connect("text_changed", callable_mp(this, &EditorInspectorArray::_new_size_line_edit_text_changed));
-	new_size_line_edit->connect("text_submitted", callable_mp(this, &EditorInspectorArray::_new_size_line_edit_text_submitted));
-	resize_dialog_vbox->add_margin_child(TTRC("New Size:"), new_size_line_edit);
+	new_size_spin_box = memnew(SpinBox);
+	new_size_spin_box->set_max(16384);
+	new_size_spin_box->connect("value_changed", callable_mp(this, &EditorInspectorArray::_new_size_spin_box_value_changed));
+	new_size_spin_box->get_line_edit()->connect("text_submitted", callable_mp(this, &EditorInspectorArray::_new_size_spin_box_text_submitted));
+	resize_dialog_vbox->add_margin_child(TTRC("New Size:"), new_size_spin_box);
 
 	vbox->connect("visibility_changed", callable_mp(this, &EditorInspectorArray::_vbox_visibility_changed));
 }
diff --git a/editor/editor_inspector.h b/editor/editor_inspector.h
index 551f6f6f86f..baba9ec1f4b 100644
--- a/editor/editor_inspector.h
+++ b/editor/editor_inspector.h
@@ -39,6 +39,7 @@
 #include "scene/gui/option_button.h"
 #include "scene/gui/panel_container.h"
 #include "scene/gui/scroll_container.h"
+#include "scene/gui/spin_box.h"
 #include "scene/gui/texture_rect.h"
 
 class UndoRedo;
@@ -333,8 +334,7 @@ class EditorInspectorArray : public EditorInspectorSection {
 	Button *add_button = nullptr;
 
 	AcceptDialog *resize_dialog = nullptr;
-	int new_size = 0;
-	LineEdit *new_size_line_edit = nullptr;
+	SpinBox *new_size_spin_box = nullptr;
 
 	// Pagination
 	int page_length = 5;
@@ -390,8 +390,8 @@ class EditorInspectorArray : public EditorInspectorSection {
 	Array _extract_properties_as_array(const List<PropertyInfo> &p_list);
 	int _drop_position() const;
 
-	void _new_size_line_edit_text_changed(String p_text);
-	void _new_size_line_edit_text_submitted(String p_text);
+	void _new_size_spin_box_value_changed(float p_value);
+	void _new_size_spin_box_text_submitted(String p_text);
 	void _resize_dialog_confirmed();
 
 	void _update_elements_visibility();