diff --git a/test/test_helper.sh b/test/test_helper.sh
index 16407a2..6565741 100644
--- a/test/test_helper.sh
+++ b/test/test_helper.sh
@@ -4,7 +4,7 @@ export ROOTDIR="$(readlink -f $(dirname $0)/..)"
 run_on() {
   local vm="$1"
   shift
-  ssh -F .ssh_config "$vm" -- 'export PATH=/vagrant/test/bin:$PATH;' "$@"
+  echo 'export PATH=/vagrant/test/bin:$PATH;' "$@" | ssh -F .ssh_config "$vm"
 }
 
 . $(dirname $0)/ip_helper.sh
--
libgit2 0.21.2