diff --git a/debian/control b/debian/control
index 5220d79c2..9736e392e 100644
--- a/debian/control
+++ b/debian/control
@@ -15,7 +15,7 @@ Depends: ${python3:Depends}, ${misc:Depends}
  , python3-miniupnpc, python3-dbus, python3-jinja2
  , python3-toml, python3-packaging, python3-publicsuffix2
  , python3-ldap, python3-zeroconf (>= 0.47), python3-lexicon,
- , python3-cryptography, python3-jwt
+ , python3-cryptography, python3-jwt, python3-magic
  , python-is-python3, python3-pydantic, python3-email-validator
  , nginx, nginx-extras (>=1.22)
  , apt, apt-transport-https, apt-utils, dirmngr
diff --git a/hooks/conf_regen/01-yunohost b/hooks/conf_regen/01-yunohost
index 74331edc2..9563966f1 100755
--- a/hooks/conf_regen/01-yunohost
+++ b/hooks/conf_regen/01-yunohost
@@ -71,6 +71,9 @@ do_init_regen() {
     mkdir -p /etc/yunohost/portal
     chmod 500 /etc/yunohost/portal
     chown ynh-portal:ynh-portal /etc/yunohost/portal
+    mkdir -p /usr/share/yunohost/portallogos
+    chmod 550 /usr/share/yunohost/portallogos
+    chown ynh-portal:www-data /usr/share/yunohost/portallogos
 
     # YunoHost services
     cp yunohost-api.service /etc/systemd/system/yunohost-api.service
@@ -253,6 +256,9 @@ do_post_regen() {
     mkdir -p /etc/yunohost/portal
     chmod 500 /etc/yunohost/portal
     chown ynh-portal:ynh-portal /etc/yunohost/portal
+    mkdir -p /usr/share/yunohost/portallogos
+    chmod 550 /usr/share/yunohost/portallogos
+    chown ynh-portal:www-data /usr/share/yunohost/portallogos
 
     # Domain settings
     mkdir -p /etc/yunohost/domains
diff --git a/share/config_domain.toml b/share/config_domain.toml
index e67407eaa..6fc5fc50a 100644
--- a/share/config_domain.toml
+++ b/share/config_domain.toml
@@ -15,8 +15,8 @@ name = "Features"
         type = "string"
         default = "YunoHost"
 
-        # [feature.portal.portal_logo]
-        # type = "file"
+        [feature.portal.portal_logo]
+        type = "file"
 
         [feature.portal.portal_theme]
         type = "select"
diff --git a/src/domain.py b/src/domain.py
index 2b029bd04..75fd57a6c 100644
--- a/src/domain.py
+++ b/src/domain.py
@@ -758,9 +758,30 @@ class DomainConfigPanel(ConfigPanel):
             "default_app",
             "show_other_domains_apps",
             "portal_title",
-            # "portal_logo",
+            "portal_logo",
             "portal_theme",
         ]
+
+        if "portal_logo" in next_settings:
+
+            import magic, hashlib
+            with open(next_settings["portal_logo"], "rb") as f:
+                file_content = f.read()
+            mimetype = magic.Magic(mime=True).from_buffer(file_content)
+            if mimetype not in ["image/png", "image/jpeg"]:
+                raise YunohostValidationError(f"Unsupported image type : {mimetype}", raw=True)
+            ext = mimetype.split("/")[-1]
+            m = hashlib.sha256()
+            m.update(file_content)
+            sha256sum = m.hexdigest()
+            filename = f"/usr/share/yunohost/portallogos/{sha256sum}.{ext}"
+            with open(filename, "wb") as f:
+                f.write(file_content)
+            next_settings["portal_logo"] = filename
+            # FIXME : the previous line doesn't actually set anything in the actual form ...
+            # ... and calling `form.portal_logo = filename` would actually make it sort of "re-upload" the file to another place ...
+            # not sure how to address this issue ...
+
         if _get_parent_domain_of(self.entity, topest=True) is None and any(
             option in next_settings for option in portal_options
         ):