diff --git a/src/chart/canvas/canvas-bounds-container.ts b/src/chart/canvas/canvas-bounds-container.ts
index ddb0155..2a02b5b 100644
--- a/src/chart/canvas/canvas-bounds-container.ts
+++ b/src/chart/canvas/canvas-bounds-container.ts
@@ -1,8 +1,3 @@
-/*
- * Copyright (C) 2019 - 2024 Devexperts Solutions IE Limited
- * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
- * If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
- */
 /*
  * Copyright (C) 2019 - 2024 Devexperts Solutions IE Limited
  * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
@@ -560,11 +555,11 @@ export class CanvasBoundsContainer {
 		}
 
 		//#region chart height ratio logic
-		if (this.graphsHeightRatio[CHART_UUID] === 0) {
+		if (!this.graphsHeightRatio[CHART_UUID] || this.graphsHeightRatio[CHART_UUID] === 0) {
 			chartRatio = 0;
 		}
 
-		if (this.graphsHeightRatio[CHART_UUID] !== 0) {
+		if (this.graphsHeightRatio[CHART_UUID] && this.graphsHeightRatio[CHART_UUID] !== 0) {
 			if (paneIsAdded) {
 				chartRatio = 1 * ratioForOldPec;
 			} else {