diff --git a/customscripts/install_script.sh b/customscripts/install_script.sh
index 9dbc4d7..9edb9f9 100644
--- a/customscripts/install_script.sh
+++ b/customscripts/install_script.sh
@@ -196,7 +196,7 @@ if [ ! -d $userhome/.local/share/blesh ]; then
     # install ble.sh
     echo -e "\nble.sh not found, installing\n"
     cd /tmp
-    git clone --recursive --depth 1 --shallow-submodules https://github.com/akinomyoga/ble.sh.git
+    git clone --recursive --depth 1 --shallow-submodules --single-branch -b master https://github.com/akinomyoga/ble.sh.git
     make -C ble.sh install PREFIX=$userhome/.local
     echo '# ble.sh' >> $rcfile
     echo "source -- $userhome/.local/share/blesh/ble.sh" >> $rcfile