diff --git a/installers/install_osm.sh b/installers/install_osm.sh
index 4e1bbb1..33bf777 100755
--- a/installers/install_osm.sh
+++ b/installers/install_osm.sh
@@ -101,8 +101,12 @@
       || sudo apt-get install -y $need_packages_lw \
       || ! echo "failed to install $need_packages_lw" \
       || exit 1
-    wget -qO - $REPOSITORY_BASE/$RELEASE/OSM%20ETSI%20Release%20Key.gpg | sudo apt-key add -
-    sudo DEBIAN_FRONTEND=noninteractive add-apt-repository -y "$1" && sudo DEBIAN_FRONTEND=noninteractive apt-get update
+    wget -q -O OSM-ETSI-Release-key.gpg "$REPOSITORY_BASE/$RELEASE/OSM%20ETSI%20Release%20Key.gpg"
+    sudo APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE=1 apt-key add OSM-ETSI-Release-key.gpg \
+      || ! echo -e "Could not add GPG key $REPOSITORY_BASE/$RELEASE/OSM%20ETSI%20Release%20Key.gpg" \
+      || exit 1
+    sudo DEBIAN_FRONTEND=noninteractive add-apt-repository -y "$1"
+    sudo DEBIAN_FRONTEND=noninteractive apt-get -y update
     return 0
   fi