diff --git a/check.sh b/check.sh
index 30713f1..afaab1f 100755
--- a/check.sh
+++ b/check.sh
@@ -3,6 +3,8 @@
 # Abort if non-zero code returned.
 set -e
 
+dartanalyzer lib/mustache.dart
+
 dartanalyzer test/mustache_test.dart
 
 dart --checked test/mustache_test.dart