diff --git a/src/server/interfaces/folder.interface.ts b/src/server/interfaces/folder.interface.ts
index 1db74c8..b71fe84 100644
--- a/src/server/interfaces/folder.interface.ts
+++ b/src/server/interfaces/folder.interface.ts
@@ -14,3 +14,9 @@ export interface IFolderData {
   isFile: boolean;
   isLink: boolean;
 }
+
+export interface IComicBookCover {
+    path: string;
+    containedIn: string;
+    fileSize:string;
+}
diff --git a/src/server/utils/fs.utils.ts b/src/server/utils/fs.utils.ts
index 99fd049..be8beaf 100644
--- a/src/server/utils/fs.utils.ts
+++ b/src/server/utils/fs.utils.ts
@@ -38,6 +38,8 @@ export const extractArchive = async (fileObject: IFolderData) => {
   switch(fileObject.extension) {
     case '.cbz':
       break;
+    case '.cbr':
+      break;
   }
   const myBuffer = extractedFile.extraction;
   logger.info(`Attempting to write ${extractedFile.fileHeader.name}`);