diff --git a/.drone/auth1-setup.sh b/.drone/auth1-setup.sh
index 5314f8b..bad9a17 100755
--- a/.drone/auth1-setup.sh
+++ b/.drone/auth1-setup.sh
@@ -23,6 +23,13 @@ add_fqdn_to_hosts() {
 # set FQDN in /etc/hosts
 add_fqdn_to_hosts $(get_ip_addr $(hostname)) auth1
 
+# I'm not sure why, but we also need to remove the hosts entry for the
+# container's real hostname, otherwise slapd only looks for the principal
+# ldap/<container hostname> (this is with the sasl-host option)
+sed -E "/\\b$(hostname)\\b/d" /etc/hosts > /tmp/hosts
+cat /tmp/hosts > /etc/hosts
+rm /tmp/hosts
+
 export DEBIAN_FRONTEND=noninteractive
 apt update
 apt install -y psmisc