diff --git a/src/lib/utils/index.ts b/src/lib/utils/index.ts
index 59abc8b9..641f312a 100644
--- a/src/lib/utils/index.ts
+++ b/src/lib/utils/index.ts
@@ -102,9 +102,13 @@ export const uniqueId = (len: number = 10): string => {
  * @returns {string} - mimetype
  */
 export const getMimetype = async(file: Uint8Array | Buffer, name?: string): Promise<string> => {
-  let type = await fromBuffer(file);
-
-  const excludedMimetypes = ['text/plain', 'application/x-ms', 'application/x-msi', 'application/zip'];
+  let type;
+  try{
+     type = await fromBuffer(file);
+  }catch(e){
+    return 'application/octet-stream'
+  }
+  const excludedMimetypes = ['text/plain','application/octet-stream', 'application/x-ms', 'application/x-msi', 'application/zip'];
 
   if (type && excludedMimetypes.indexOf(type.mime) === -1) {
     return type.mime;