diff --git a/home.admin/config.scripts/bonus.joinmarket.sh b/home.admin/config.scripts/bonus.joinmarket.sh
index 0a2dcaf02..4b7026c97 100755
--- a/home.admin/config.scripts/bonus.joinmarket.sh
+++ b/home.admin/config.scripts/bonus.joinmarket.sh
@@ -101,7 +101,7 @@ if [ "$1" = "1" ] || [ "$1" = "on" ]; then
     sudo apt install -y python3-pyside2.qtcore python3-pyside2.qtgui \
     python3-pyside2.qtwidgets zlib1g-dev libjpeg-dev python3-pyqt5 libltdl-dev
     # https://github.com/JoinMarket-Org/joinmarket-clientserver/issues/668#issuecomment-717815719
-    sudo apt install build-essential automake pkg-config libffi-dev python3-dev libgmp-dev 
+    sudo apt install -y build-essential automake pkg-config libffi-dev python3-dev libgmp-dev 
     sudo -u joinmarket pip install libtool asn1crypto cffi pycparser coincurve
     echo "# installing JoinMarket"
     sudo -u joinmarket git clone https://github.com/Joinmarket-Org/joinmarket-clientserver