diff --git a/tools/repo/check.sh b/tools/repo/check.sh
index 30fde1f..cb5721c 100755
--- a/tools/repo/check.sh
+++ b/tools/repo/check.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 
 set -e
+set -o pipefail
 for c in tools/repo/check.d/*; do
     echo "running $c..."
     $c | while read line; do