diff --git a/.travis.yml b/.travis.yml
index 069e864..94b0662 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ node_js:
 script:
   - yarn lint
   - yarn global add codecov -g
+  - yarn build
   - yarn test
   - codecov -f coverage/*.json
 after_success:
diff --git a/src/index.ts b/src/index.ts
index 88ed3be..baea679 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -74,6 +74,7 @@ function validateConfigurationObject(config: IFetchReadmeConfig) {
  */
 const fetchReadme = async (config: IFetchReadmeConfig) => {
   try {
+    // Check configuration before proceeding
     validateConfigurationObject(config)
     return await getGithubReadmeForRepository(config)
   } catch (error) {