diff --git a/src/util/StringUtils.ts b/src/util/StringUtils.ts
index 808554c60e..54f1a1a395 100644
--- a/src/util/StringUtils.ts
+++ b/src/util/StringUtils.ts
@@ -1,4 +1,4 @@
-import * as shajs from "sha.js";
+import shajs from "sha.js";
 
 /**
  * Converts string into camelCase.
diff --git a/test/github-issues/799/issue-799.ts b/test/github-issues/799/issue-799.ts
index 13f15f3396..28152caff3 100644
--- a/test/github-issues/799/issue-799.ts
+++ b/test/github-issues/799/issue-799.ts
@@ -1,7 +1,7 @@
 import "reflect-metadata";
 import * as assert from "assert";
 import {createConnection} from "../../../src/index";
-import * as rimraf from "rimraf";
+import rimraf from "rimraf";
 import {dirname} from "path";
 import {Connection} from "../../../src/connection/Connection";
 
diff --git a/tsconfig.json b/tsconfig.json
index fb041b42c3..4dafdb0c76 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,6 +3,8 @@
     "compilerOptions": {
         "lib": ["es5", "es6"],
         "outDir": "build/compiled",
+        "allowSyntheticDefaultImports": true,
+	      "esModuleInterop": true,
         "target": "es5",
         "module": "commonjs",
         "moduleResolution": "node",