diff --git a/hook.sh b/hook.sh
index a82f926b9..bb17f4e4f 100755
--- a/hook.sh
+++ b/hook.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
-echo "#!/bin/sh\ncargo test" >> ./.git/hooks/pre-push
+echo "#!/bin/sh\ncargo test -p ethcore" >> ./.git/hooks/pre-push
 chmod +x ./.git/hooks/pre-push