diff --git a/apps/red-ui/src/app/modules/file-preview/services/file-preview-state.service.ts b/apps/red-ui/src/app/modules/file-preview/services/file-preview-state.service.ts
index 2b7d90115..e7083f5df 100644
--- a/apps/red-ui/src/app/modules/file-preview/services/file-preview-state.service.ts
+++ b/apps/red-ui/src/app/modules/file-preview/services/file-preview-state.service.ts
@@ -127,7 +127,7 @@ export class FilePreviewStateService {
     }
 
     includePages(includedPages: number[]) {
-        const newExcludedPages = this.#excludedPages$.value.filter(excludedPage => includedPages.includes(excludedPage));
+        const newExcludedPages = this.#excludedPages$.value.filter(excludedPage => !includedPages.includes(excludedPage));
         this.#excludedPages$.next(newExcludedPages);
     }