diff --git a/visionSamples/barcode-reader/app/build.gradle b/visionSamples/barcode-reader/app/build.gradle
index af9af217..68c19a1f 100644
--- a/visionSamples/barcode-reader/app/build.gradle
+++ b/visionSamples/barcode-reader/app/build.gradle
@@ -23,6 +23,6 @@ dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'com.android.support:support-v4:24.2.0'
     // Important - the CameraSource implementation in this project requires version 8.1 or higher.
-	compile 'com.google.android.gms:play-services-vision:9.4.0+'
+    compile 'com.google.android.gms:play-services-vision:9.4.0+'
     compile 'com.android.support:design:24.2.0'
 }