diff --git a/src/common/services/OptionsService.ts b/src/common/services/OptionsService.ts
index ec099f14..a4b06404 100644
--- a/src/common/services/OptionsService.ts
+++ b/src/common/services/OptionsService.ts
@@ -74,7 +74,7 @@ export class OptionsService implements IOptionsService {
     for (const k of Object.keys(options)) {
       if (k in this.options) {
         const newValue = options[k as keyof IPartialTerminalOptions] as any;
-        this.options[k] = newValue;
+        this.options[k] = this._sanitizeAndValidateOption(k, newValue);
       }
     }
   }