diff --git a/app/controller/admin.php b/app/controller/admin.php
index d364a67..a7629e2 100644
--- a/app/controller/admin.php
+++ b/app/controller/admin.php
@@ -96,6 +96,7 @@ class AdminController extends BaseController {
 			$enablehistory = (bool)$request->params()->query('enablehistory', 0);
 			$history_name = $request->params()->query('history_name', app('history_name'));
 			$enablephotoshare = (bool)$request->params()->query('enablephotoshare', 0);
+			$custom_media_share_host = $request->params()->query('custom_media_share_host', share_api_host());
 			$cronpw = $request->params()->query('cronpw', app('cronjob_pw'));
 			$enablepwa = (bool)$request->params()->query('enablepwa', 0);
 
@@ -113,6 +114,7 @@ class AdminController extends BaseController {
 				'history_enable' => $enablehistory,
 				'history_name' => $history_name,
 				'enable_media_share' => $enablephotoshare,
+				'custom_media_share_host' => $custom_media_share_host,
 				'cronjob_pw' => $cronpw,
 				'pwa_enable' => $enablepwa
 			];
diff --git a/app/controller/share.php b/app/controller/share.php
index ac76cd4..9347f0a 100644
--- a/app/controller/share.php
+++ b/app/controller/share.php
@@ -54,7 +54,7 @@ class ShareController extends BaseController {
             $mailobj = new Asatru\SMTPMailer\SMTPMailer();
             $mailobj->setRecipient($user->get('email'));
             $mailobj->setSubject(__('app.mail_share_photo_title'));
-            $mailobj->setView('mail/share_photo', [], ['url_photo' => $result->data->url, 'url_asset' => $result->data->asset, 'url_removal' => env('APP_SERVICE_URL') . '/api/photo/remove?ident=' . $result->data->ident . '&ret=home']);
+            $mailobj->setView('mail/share_photo', [], ['url_photo' => $result->data->url, 'url_asset' => $result->data->asset, 'url_removal' => share_api_host() . '/api/photo/remove?ident=' . $result->data->ident . '&ret=home']);
             $mailobj->setProperties(mail_properties());
             $mailobj->send();
 
diff --git a/app/helper/AppHelper.php b/app/helper/AppHelper.php
index b512972..a0499ee 100644
--- a/app/helper/AppHelper.php
+++ b/app/helper/AppHelper.php
@@ -100,4 +100,17 @@ function workspace_url($path)
 function abs_photo($asset)
 {
     return UtilsModule::absolutePhoto($asset);
+}
+
+/**
+ * @return string
+ */
+function share_api_host()
+{
+    $host = app('custom_media_share_host');
+    if ((is_string($host)) && (strlen($host) > 0)) {
+        return $host;
+    }
+
+    return env('APP_SERVICE_URL');
 }
\ No newline at end of file
diff --git a/app/lang/de/app.php b/app/lang/de/app.php
index fd28dba..44e3c7d 100644
--- a/app/lang/de/app.php
+++ b/app/lang/de/app.php
@@ -440,5 +440,6 @@ return [
 	'add_location_log_entry' => 'Eintrag hinzufügen',
 	'edit_location_log_entry' => 'Eintrag bearbeiten',
 	'confirm_remove_location_log_entry' => 'Soll dieser Eintrag wirklich gelöscht werden?',
-	'no_location_log_entries_yet' => 'Noch keine Einträge.'
+	'no_location_log_entries_yet' => 'Noch keine Einträge.',
+	'share_api_host' => 'Server zum Teilen von Fotos'
 ];
\ No newline at end of file
diff --git a/app/lang/en/app.php b/app/lang/en/app.php
index 228a560..aeeee67 100644
--- a/app/lang/en/app.php
+++ b/app/lang/en/app.php
@@ -440,5 +440,6 @@ return [
 	'add_location_log_entry' => 'Add entry',
 	'edit_location_log_entry' => 'Edit entry',
 	'confirm_remove_location_log_entry' => 'Do you really want to remove this entry?',
-	'no_location_log_entries_yet' => 'No entries yet.'
+	'no_location_log_entries_yet' => 'No entries yet.',
+	'share_api_host' => 'Host to share images on'
 ];
\ No newline at end of file
diff --git a/app/migrations/AppModel.php b/app/migrations/AppModel.php
index 71c49c0..666c199 100644
--- a/app/migrations/AppModel.php
+++ b/app/migrations/AppModel.php
@@ -40,6 +40,7 @@ class AppModel_Migration {
         $this->database->add('history_enable BOOLEAN NOT NULL DEFAULT 1');
         $this->database->add('history_name VARCHAR(512) NULL DEFAULT \'History\'');
         $this->database->add('enable_media_share BOOLEAN NOT NULL DEFAULT 0');
+        $this->database->add('custom_media_share_host VARCHAR(1024) NULL');
         $this->database->add('cronjob_pw VARCHAR(512) NOT NULL DEFAULT \'\'');
         $this->database->add('overlay_alpha VARCHAR(512) NULL');
         $this->database->add('smtp_fromname VARCHAR(512) NULL');
diff --git a/app/modules/ApiModule.php b/app/modules/ApiModule.php
index 50afbd2..b2f25f6 100644
--- a/app/modules/ApiModule.php
+++ b/app/modules/ApiModule.php
@@ -27,7 +27,7 @@ class ApiModule {
                 $file = public_path() . '/img/' . PlantPhotoModel::getItem($asset)->get('original');
             }
             
-            $ch = curl_init(env('APP_SERVICE_URL') . '/api/photo/share');
+            $ch = curl_init(share_api_host() . '/api/photo/share');
 
             curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
             curl_setopt($ch, CURLOPT_POST, true);
@@ -63,7 +63,7 @@ class ApiModule {
     public static function removePhoto($ident)
     {
         try {
-            $ch = curl_init(env('APP_SERVICE_URL') . '/api/photo/remove');
+            $ch = curl_init(share_api_host() . '/api/photo/remove');
 
             curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
             curl_setopt($ch, CURLOPT_POST, true);
diff --git a/app/views/admin.php b/app/views/admin.php
index ee714c3..a461184 100644
--- a/app/views/admin.php
+++ b/app/views/admin.php
@@ -131,6 +131,13 @@
             </div>
         </div>
 
+        <div class="field">
+            <label class="label">{{ __('app.share_api_host') }}</label>
+            <div class="control">
+                <input type="text" class="input" name="custom_media_share_host" value="{{ share_api_host() }}">
+            </div>
+        </div>
+
         <div class="field">
             <label class="label">{{ __('app.cronpw') }}</label>
         </div>
diff --git a/app/views/layout.php b/app/views/layout.php
index 79edb97..6959dee 100644
--- a/app/views/layout.php
+++ b/app/views/layout.php
@@ -1082,7 +1082,7 @@
 					</header>
 					<section class="modal-card-body is-stretched">
 						<div class="field">
-							<p>{{ __('app.share_photo_hint', ['url' => env('APP_SERVICE_URL')]) }}</p>
+							<p>{{ __('app.share_photo_hint', ['url' => share_api_host()]) }}</p>
 						</div>
 
 						<div class="field">