diff --git a/tests_integration/__tests__/__snapshots__/with-shebang.js.snap b/tests_integration/__tests__/__snapshots__/with-shebang.js.snap
new file mode 100644
index 00000000..bbd86897
--- /dev/null
+++ b/tests_integration/__tests__/__snapshots__/with-shebang.js.snap
@@ -0,0 +1,7 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`preserves shebang 1`] = `
+"#!/usr/bin/env node
+\\"use strict\\";
+"
+`;
diff --git a/tests_integration/__tests__/with-shebang.js b/tests_integration/__tests__/with-shebang.js
new file mode 100644
index 00000000..aa3e8355
--- /dev/null
+++ b/tests_integration/__tests__/with-shebang.js
@@ -0,0 +1,9 @@
+"use strict";
+
+const runPrettier = require("../runPrettier");
+
+test("preserves shebang", () => {
+  const result = runPrettier("cli/with-shebang", ["issue1890.js"]);
+
+  expect(result.stdout).toMatchSnapshot();
+});
diff --git a/tests_integration/cli/with-shebang/issue1890.js b/tests_integration/cli/with-shebang/issue1890.js
new file mode 100644
index 00000000..af21afbd
--- /dev/null
+++ b/tests_integration/cli/with-shebang/issue1890.js
@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+"use strict";