diff --git a/.all-contributorsrc b/.all-contributorsrc
index 53d241e1..7459677b 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -180,7 +180,9 @@
       "profile": "https://in.linkedin.com/in/mzubairahmed",
       "contributions": [
         "doc",
-        "bug"
+        "bug",
+        "code",
+        "test"
       ]
     },
     {
diff --git a/src/util/__tests__/config-file.js b/src/util/__tests__/config-file.js
index 78a79b31..4314059c 100644
--- a/src/util/__tests__/config-file.js
+++ b/src/util/__tests__/config-file.js
@@ -1,15 +1,43 @@
 import configFile from '../config-file'
 
 const absentFile = './abc'
-const expected = `Configuration file not found: ${absentFile}`
+const absentConfileFileExpected = `Configuration file not found: ${absentFile}`
+const incompleteConfigFilePath = './.all-contributorsrc'
+const NoOwnerConfigFile = {
+  projectOwner: '',
+  projectName: 'all-contributors-cli',
+  imageSize: 100,
+  commit: false,
+  contributorsPerLine: 6,
+  contributors: [],
+}
+const NoNameConfigFile = {
+  projectOwner: 'jfmengels',
+  projectName: '',
+  imageSize: 100,
+  commit: false,
+  contributorsPerLine: 6,
+  contributors: [],
+}
 
 test('Reading an absent configuration file throws a helpful error', () => {
-  expect(() => configFile.readConfig(absentFile)).toThrowError(expected)
+  expect(() => configFile.readConfig(absentFile)).toThrowError(
+    absentConfileFileExpected,
+  )
 })
 
 test('Writing contributors in an absent configuration file throws a helpful error', async () => {
   const resolvedError = await configFile
     .writeContributors(absentFile, [])
     .catch(e => e)
-  expect(resolvedError.message).toBe(expected)
+  expect(resolvedError.message).toBe(absentConfileFileExpected)
+})
+
+test('Should throw error and not allow editing config file if project name or owner is not set', () => {
+  expect(() =>
+    configFile.writeConfig(incompleteConfigFilePath, NoOwnerConfigFile),
+  ).toThrow(`Error! Project owner is not set in ${incompleteConfigFilePath}`)
+  expect(() =>
+    configFile.writeConfig(incompleteConfigFilePath, NoNameConfigFile),
+  ).toThrow(`Error! Project name is not set in ${incompleteConfigFilePath}`)
 })
diff --git a/src/util/config-file.js b/src/util/config-file.js
index 9e02b2e7..28b03f55 100644
--- a/src/util/config-file.js
+++ b/src/util/config-file.js
@@ -18,6 +18,12 @@ function readConfig(configPath) {
 }
 
 function writeConfig(configPath, content) {
+  if (!content.projectOwner) {
+    throw new Error(`Error! Project owner is not set in ${configPath}`)
+  }
+  if (!content.projectName) {
+    throw new Error(`Error! Project name is not set in ${configPath}`)
+  }
   return pify(fs.writeFile)(configPath, `${JSON.stringify(content, null, 2)}\n`)
 }