diff --git a/.travis.yml b/.travis.yml
index 62b4fc528..f929378d1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,4 +18,4 @@ android:
 
     # Specify at least one system image,
     # if you need to run emulator(s) during your tests
-    # - sys-img-x86-android-21
+    - sys-img-x86-android-21