diff --git a/lib/index.js b/lib/index.js
index db71830..11d5b71 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -4,14 +4,6 @@ const spawn = require('cross-spawn').spawn
 const path = require('path')
 const fs = require('fs')
 
-process.on('uncaughtException', function (e) {
-  if (e.message.match(/passed/gi)) {
-    console.log(PrintHelp())
-  }
-  console.log(e.message)
-  process.exit(1)
-})
-
 function EnvCmd (args) {
   const parsedArgs = ParseArgs(args)
   const env = ParseEnvFile(parsedArgs.envFilePath)
@@ -93,9 +85,20 @@ Options:
   `
 }
 
+function HandleUncaughtExceptions (e) {
+  if (e.message.match(/passed/gi)) {
+    console.log(PrintHelp())
+  }
+  console.log(e.message)
+  process.exit(1)
+}
+
+process.on('uncaughtException', HandleUncaughtExceptions)
+
 module.exports = {
   EnvCmd,
   ParseArgs,
   ParseEnvFile,
-  PrintHelp
+  PrintHelp,
+  HandleUncaughtExceptions
 }
diff --git a/test/test.js b/test/test.js
index 7835bfa..c907b27 100644
--- a/test/test.js
+++ b/test/test.js
@@ -4,6 +4,7 @@ const assert = require('better-assert')
 const describe = require('mocha').describe
 const it = require('mocha').it
 const afterEach = require('mocha').afterEach
+const beforeEach = require('mocha').beforeEach
 const path = require('path')
 const proxyquire = require('proxyquire')
 const sinon = require('sinon')
@@ -21,6 +22,7 @@ const EnvCmd = lib.EnvCmd
 const ParseArgs = lib.ParseArgs
 const ParseEnvFile = lib.ParseEnvFile
 const PrintHelp = lib.PrintHelp
+const HandleUncaughtExceptions = lib.HandleUncaughtExceptions
 
 describe('env-cmd', function () {
   describe('ParseArgs', function () {
@@ -109,4 +111,25 @@ describe('env-cmd', function () {
       assert(helpText.match(/-e/).length !== 0)
     })
   })
+  describe('HandleUncaughtExceptions', function () {
+    beforeEach(function () {
+      this.logStub = sinon.stub(console, 'log')
+      this.processStub = sinon.stub(process, 'exit')
+    })
+    afterEach(function () {
+      this.logStub.restore()
+      this.processStub.restore()
+    })
+    it('should print help text and error if error contains \'passed\'', function () {
+      HandleUncaughtExceptions(new Error('print help text passed now'))
+      assert(this.logStub.calledTwice)
+      this.logStub.restore()  // restore here so test success logs get printed
+    })
+
+    it('should print just there error if error does not contain \'passed\'', function () {
+      HandleUncaughtExceptions(new Error('do not print help text now'))
+      assert(this.logStub.calledOnce)
+      this.logStub.restore()  // restore here so test success logs get printed
+    })
+  })
 })