diff --git a/packages/core/src/browser/common-frontend-contribution.ts b/packages/core/src/browser/common-frontend-contribution.ts
index f436fcf2349b4..8ff7db3028918 100644
--- a/packages/core/src/browser/common-frontend-contribution.ts
+++ b/packages/core/src/browser/common-frontend-contribution.ts
@@ -1204,14 +1204,8 @@ export class CommonFrontendContribution implements FrontendApplicationContributi
                         await this.saveDirty(untitledCaptionsToSave);
                         await this.shell.saveAll();
                     });
-                    if (this.shell.canSaveAll()) {
-                        this.shouldPreventClose = true;
-                        return false;
-                    } else {
-                        this.shouldPreventClose = false;
-                        return result;
-                    }
-
+                    this.shouldPreventClose = !result;
+                    return result;
                 }
             };
         }