diff --git a/.gitignore b/.gitignore
index 6c129c4d2..3864c8c2f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 .*.swp
 samples
 unihan.db
+.coverage
diff --git a/tools/tests.sh b/tools/tests.sh
index 51f3d3dda..06d454df9 100755
--- a/tools/tests.sh
+++ b/tools/tests.sh
@@ -5,4 +5,4 @@ if [ -d 'locale' ]; then
 else
     dir=.
 fi
-(cd $dir && nosetests -vs $@)
+(cd $dir && nosetests -vs --with-coverage --cover-package=anki $@)