diff --git a/src/ssn/extractFile.ts b/src/ssn/extractFile.ts
index 7cd39f0..e96fda5 100644
--- a/src/ssn/extractFile.ts
+++ b/src/ssn/extractFile.ts
@@ -1,5 +1,5 @@
 import * as zlib from 'zlib';
-import ISsnFileEntry from '../interfaces/ISsnFileEntry';
+import { ISsnFileEntry } from '../interfaces/ISsnFileEntry';
 import decryptFile from './decryption/decryptFile';
 
 class ByteReader {
diff --git a/src/ssn/getPatch.ts b/src/ssn/getPatch.ts
index 8c7ee11..ef7054d 100644
--- a/src/ssn/getPatch.ts
+++ b/src/ssn/getPatch.ts
@@ -25,7 +25,7 @@ export default async function getPatch(product: Product, from: number, to: numbe
   });
 
   //Extract changed files
-  fileEntries.filter((file) => file.diffType === SsnDiffType.Changed).forEach((file) => {
+  fileEntries.filter((file) => file.diffType === SsnDiffType.Changed).forEach(async (file) => {
     const fileContents = await extractFile(file, dvArray);
     console.log(fileContents);
     //TODO
diff --git a/src/ssn/readSsnFile.ts b/src/ssn/readSsnFile.ts
index 92ba6e2..25d94c9 100644
--- a/src/ssn/readSsnFile.ts
+++ b/src/ssn/readSsnFile.ts
@@ -4,7 +4,7 @@
  */
 
 import { TextDecoder } from 'util';
-import ISsnFileEntry from '../interfaces/ISsnFileEntry';
+import { ISsnFileEntry } from '../interfaces/ISsnFileEntry';
 import getDecryptionKeys from './decryption/getDecryptionKeys';
 import modifyPassword from './decryption/modifyPassword';