diff --git a/scripts/_common.sh b/scripts/_common.sh
index 9593a96..a06e0b7 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -148,11 +148,13 @@ set_permissions() {
     chmod 700 $code_dir/update_synapse_for_appservice.sh
     chmod 700 $code_dir/set_admin_user.sh
 
-    find $data_dir \(   \! -perm -o= \
-                     -o \! -user $app \
-                     -o \! -group $app \) \
-                   -exec chown $app:$app {} \; \
-                   -exec chmod o= {} \;
+    if [ "${1:-}" == data ]; then
+        find $data_dir \(   \! -perm -o= \
+                         -o \! -user $app \
+                         -o \! -group $app \) \
+                    -exec chown $app:$app {} \; \
+                    -exec chmod o= {} \;
+    fi
 
     chown $app:$app -R /etc/matrix-$app
     chmod u=rwX,g=rX,o= -R /etc/matrix-$app
diff --git a/scripts/install b/scripts/install
index 3e4a44b..2d6523d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -274,7 +274,7 @@ ynh_replace_string __DOMAIN__ $domain ../hooks/post_cert_update
 #=================================================
 
 ynh_script_progression --message="Protecting directories..." --weight=3
-set_permissions
+set_permissions data
 
 #=================================================
 # ADVERTISE SERVICE IN ADMIN PANEL
diff --git a/scripts/restore b/scripts/restore
index cd8ca47..bd41f6f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -113,7 +113,7 @@ ynh_use_logrotate --logfile /var/log/matrix-$app
 #=================================================
 
 ynh_script_progression --message="Protecting directories..." --weight=3
-set_permissions
+set_permissions data
 
 #=================================================
 # RELOAD NGINX, SYNAPSE AND COTURN
diff --git a/scripts/upgrade b/scripts/upgrade
index dfaee25..b24e6e5 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -498,7 +498,7 @@ fi
 #=================================================
 
 ynh_script_progression --message="Protecting directories... (note that it could take a long time depending of your install size)" --weight=3
-set_permissions
+set_permissions data
 
 #=================================================
 # UPDATE HOOKS