diff --git a/.size-limit.js b/.size-limit.js
index 91cdcda788..5b8e3fa6a4 100644
--- a/.size-limit.js
+++ b/.size-limit.js
@@ -4,21 +4,21 @@ module.exports = [
 	{
 		name: 'CJS',
 		path: 'dist/lightweight-charts.production.cjs',
-		limit: '47.58 KB',
+		limit: '47.59 KB',
 	},
 	{
 		name: 'ESM',
 		path: 'dist/lightweight-charts.production.mjs',
-		limit: '47.53 KB',
+		limit: '47.54 KB',
 	},
 	{
 		name: 'Standalone-ESM',
 		path: 'dist/lightweight-charts.standalone.production.mjs',
-		limit: '49.25 KB',
+		limit: '49.26 KB',
 	},
 	{
 		name: 'Standalone',
 		path: 'dist/lightweight-charts.standalone.production.js',
-		limit: '49.3 KB',
+		limit: '49.31 KB',
 	},
 ];
diff --git a/src/helpers/strict-type-checks.ts b/src/helpers/strict-type-checks.ts
index 620657353e..7832fa980a 100644
--- a/src/helpers/strict-type-checks.ts
+++ b/src/helpers/strict-type-checks.ts
@@ -18,7 +18,7 @@ export function merge(dst: Record<string, any>, ...sources: Record<string, any>[
 				continue;
 			}
 
-			if ('object' !== typeof src[i] || dst[i] === undefined) {
+			if ('object' !== typeof src[i] || dst[i] === undefined || Array.isArray(src[i])) {
 				dst[i] = src[i];
 			} else {
 				// eslint-disable-next-line @typescript-eslint/no-unsafe-argument