diff --git a/src/vs/workbench/parts/terminal/electron-browser/terminal.contribution.ts b/src/vs/workbench/parts/terminal/electron-browser/terminal.contribution.ts
index 2975294e7542aa72769492ffc33db069e60a368e..75d88432919f712b9dfd9a78d9e830b98e1de233 100644
--- a/src/vs/workbench/parts/terminal/electron-browser/terminal.contribution.ts
+++ b/src/vs/workbench/parts/terminal/electron-browser/terminal.contribution.ts
@@ -384,7 +384,7 @@ configurationRegistry.registerConfiguration({
 			description: nls.localize('terminal.integrated.experimentalBufferImpl', "Controls the terminal's internal buffer implementation. This setting is picked up on terminal creation and will not apply to existing terminals."),
 			type: 'string',
 			enum: ['JsArray', 'TypedArray'],
-			default: 'JsArray'
+			default: 'TypedArray'
 		},
 		'terminal.integrated.splitCwd': {
 			description: nls.localize('terminal.integrated.splitCwd', "Controls the working directory a split terminal starts with."),