diff --git a/data/hooks/conf_regen/06-slapd b/data/hooks/conf_regen/06-slapd
index b711ae0ba..2d3ef7f91 100644
--- a/data/hooks/conf_regen/06-slapd
+++ b/data/hooks/conf_regen/06-slapd
@@ -4,23 +4,28 @@ set -e
 force=$1
 
 function safe_copy () {
-    if [[ "$force" == "True" ]]; then
-        sudo yunohost service safecopy \
-          -s slapd \
-          $1 $2 \
-          --force
+    if [ ! -f /etc/yunohost/installed ]; then
+        sudo cp $1 $2
     else
-        sudo yunohost service safecopy \
-          -s slapd \
-          $1 $2
+        if [[ "$force" == "True" ]]; then
+            sudo yunohost service safecopy \
+              -s slapd \
+              $1 $2 \
+              --force
+        else
+            sudo yunohost service safecopy \
+              -s slapd \
+              $1 $2
+        fi
     fi
 }
 
 cd /usr/share/yunohost/templates/slapd
 
 # Remove legacy configuration file
-sudo yunohost service saferemove -s slapd \
-  /etc/ldap/slapd-yuno.conf
+[ ! -f /etc/yunohost/installed ] \
+  || sudo yunohost service saferemove -s slapd \
+    /etc/ldap/slapd-yuno.conf
 
 safe_copy mailserver.schema /etc/ldap/schema/mailserver.schema
 safe_copy ldap.conf /etc/ldap/ldap.conf
diff --git a/debian/postinst b/debian/postinst
index c1159dfdc..b40c20c74 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -9,6 +9,7 @@ do_configure() {
   if [ ! -f /etc/yunohost/installed ]; then
       bash /usr/share/yunohost/hooks/conf_regen/01-yunohost
       bash /usr/share/yunohost/hooks/conf_regen/02-ssl
+      bash /usr/share/yunohost/hooks/conf_regen/06-slapd
       bash /usr/share/yunohost/hooks/conf_regen/15-nginx
   fi
 }