diff --git a/ext/image_view_counter/config.php b/ext/image_view_counter/config.php
new file mode 100644
index 00000000..2103e6e9
--- /dev/null
+++ b/ext/image_view_counter/config.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shimmie2;
+
+abstract class ImageViewCounterConfig
+{
+    public const VERSION =          'ext_image_view_counter';
+}
diff --git a/ext/image_view_counter/main.php b/ext/image_view_counter/main.php
index c3534589..0ccad1e3 100644
--- a/ext/image_view_counter/main.php
+++ b/ext/image_view_counter/main.php
@@ -6,6 +6,8 @@ namespace Shimmie2;
 
 use function MicroHTML\{TD,TH,TR};
 
+require_once "config.php";
+
 class ImageViewCounter extends Extension
 {
     /** @var ImageViewCounterTheme */
@@ -78,14 +80,18 @@ class ImageViewCounter extends Extension
     {
         global $database, $config;
 
-        if ($config->get_bool("image_viewcounter_installed") == false) { //todo
+        if ($config->get_bool("image_viewcounter_installed")) {
+            $this->set_version(ImageViewCounterConfig::VERSION, 1);
+            $config->delete("image_viewcounter_installed");
+        }
+        if ($this->get_version(ImageViewCounterConfig::VERSION) < 1) {
             $database->create_table("image_views", "
                 id SCORE_AIPK,
                 image_id INTEGER NOT NULL,
                 user_id INTEGER NOT NULL,
                 timestamp INTEGER NOT NULL,
                 ipaddress SCORE_INET NOT NULL");
-            $config->set_bool("image_viewcounter_installed", true);
+            $this->set_version(ImageViewCounterConfig::VERSION, 1);
         }
     }