diff --git a/tools/hooks/install.sh b/tools/hooks/install.sh
old mode 100644
new mode 100755
index 3bcbfe7ff6..32183a7ce8
--- a/tools/hooks/install.sh
+++ b/tools/hooks/install.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+shopt -s nullglob
 cd "$(dirname "$0")"
 for f in *.hook; do
 	echo Installing hook: ${f%.hook}
diff --git a/tools/hooks/python.sh b/tools/hooks/python.sh
old mode 100644
new mode 100755