diff --git a/src/browser/public/Terminal.ts b/src/browser/public/Terminal.ts
index 35fa16ce..8141269d 100644
--- a/src/browser/public/Terminal.ts
+++ b/src/browser/public/Terminal.ts
@@ -37,6 +37,7 @@ export class Terminal implements ITerminalApi {
       set: (target, propName: string, value): any => {
         this._checkReadonlyOptions(propName);
         target[propName] = value;
+        return true;
       }
     });
   }
diff --git a/src/common/services/OptionsService.ts b/src/common/services/OptionsService.ts
index 7a83a649..6d866014 100644
--- a/src/common/services/OptionsService.ts
+++ b/src/common/services/OptionsService.ts
@@ -131,7 +131,7 @@ export class OptionsService implements IOptionsService {
         break;
       case 'cursorWidth':
         value = Math.floor(value);
-      // Fall through for bounds check
+        // Fall through for bounds check
       case 'lineHeight':
       case 'tabStopWidth':
         if (value < 1) {