diff --git a/rootfs/standard/usr/bin/mynode_post_upgrade.sh b/rootfs/standard/usr/bin/mynode_post_upgrade.sh
index 52c4a3bd..d1212647 100755
--- a/rootfs/standard/usr/bin/mynode_post_upgrade.sh
+++ b/rootfs/standard/usr/bin/mynode_post_upgrade.sh
@@ -104,8 +104,8 @@ if ! skip_base_upgrades ; then
     gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 26984CB69EB8C4A26196F7A4D7D916376026F177 # Lightning Terminal
     $TORIFY curl https://deb.torproject.org/torproject.org/A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89.asc | gpg --import  # tor
     gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | apt-key add -                                       # tor
-    gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 648ACFD622F3D138     # Debian Backports
-    gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9     # Debian Backports
+    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 648ACFD622F3D138   # Debian Backports
+    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9   # Debian Backports
     set -e