diff --git a/app.js b/app.js
index 273325c..3885808 100644
--- a/app.js
+++ b/app.js
@@ -37,12 +37,12 @@ app.get( '/:package', function( req, res, next ){
   return fileExists( cacheFile )
     .tap( function( isExists ){
       if( !isExists ){
-	if ( ENABLE_NPM_FAILOVER ) {
-	  res._log.cacheHit = '---';
-	  return fetchAndCacheMetadata( packageName, cacheFile );
-	} else {
-	  return res.status( 404 ).json( {} );
-	}
+        if ( ENABLE_NPM_FAILOVER ) {
+          res._log.cacheHit = '---';
+          return fetchAndCacheMetadata( packageName, cacheFile );
+        } else {
+          return res.status( 404 ).json( {} );
+        }
       }
     })
     .then( function( ){
@@ -65,12 +65,12 @@ app.get( '/:package/-/:tarball', function( req, res, next ){
   fileExists( packagePath )
     .tap( function( isExists ){
       if( !isExists ){
-	if ( ENABLE_NPM_FAILOVER ) {
-	  res._log.cacheHit = '---';
-	  return fetchAndCacheTarball( packageName, version, packagePath );
-	} else {
-	  return res.status( 404 ).json( {} );
-	}
+        if ( ENABLE_NPM_FAILOVER ) {
+          res._log.cacheHit = '---';
+          return fetchAndCacheTarball( packageName, version, packagePath );
+        } else {
+          return res.status( 404 ).json( {} );
+        }
       }
     })
     .then( function(){