diff --git a/.eslintrc b/.eslintrc
index 4ae35570764..3e66ec82df3 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -119,7 +119,7 @@
         "radix": "off",
         "sort-keys": "off",
         "space-before-function-paren": "off",
-        "space-in-parens": "off",
+        "space-in-parens": "error",
         "unicode-bom": ["error", "never"],
         "use-isnan": "error",
         "valid-typeof": "off"
diff --git a/scripts/importDefinitelyTypedTests/importDefinitelyTypedTests.ts b/scripts/importDefinitelyTypedTests/importDefinitelyTypedTests.ts
index e984a72a2d0..3fa36faab2f 100644
--- a/scripts/importDefinitelyTypedTests/importDefinitelyTypedTests.ts
+++ b/scripts/importDefinitelyTypedTests/importDefinitelyTypedTests.ts
@@ -46,7 +46,7 @@ function copyFileSync(source: string, destination: string) {
     fs.writeFileSync(destination, text);
 }
 
-function importDefinitelyTypedTest(tscPath: string, rwcTestPath: string, testCaseName: string, testFiles: string[], responseFile: string ) {
+function importDefinitelyTypedTest(tscPath: string, rwcTestPath: string, testCaseName: string, testFiles: string[], responseFile: string) {
     let cmd = "node " + tscPath + " --module commonjs " + testFiles.join(" ");
     if (responseFile) {
         cmd += " @" + responseFile;