fix build
diff --git a/tool/travis.sh b/tool/travis.sh
index a71870a..61f5a63 100755
--- a/tool/travis.sh
+++ b/tool/travis.sh
@@ -9,8 +9,8 @@
 
 # Verify that the libraries are error free.
 dartanalyzer --fatal-warnings \
-  example/list.dart
-  lib/pubcache.dart
+  example/list.dart \
+  lib/pubcache.dart \
   test/all.dart
 
 # Run the tests.