diff --git a/wireguard-install.sh b/wireguard-install.sh
index c8a0515..031dc33 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -142,6 +142,7 @@ elif [[ "$OS" = 'debian' ]]; then
     apt update
     apt-get install -y "linux-headers-$(uname -r)"
     apt-get install -y wireguard iptables resolvconf qrencode
+    apt-get install -y bc # mitigate https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956869
 elif [[ "$OS" = 'fedora' ]]; then
     if [[ "$VERSION_ID" -lt 32 ]]; then
         dnf install -y dnf-plugins-core