diff --git a/weblate/addons/models.py b/weblate/addons/models.py
index 59fde44ce966..93a8c3aeb5bb 100644
--- a/weblate/addons/models.py
+++ b/weblate/addons/models.py
@@ -246,7 +246,7 @@ def execute_addon_event(
     with transaction.atomic():
         scope.log_debug("running %s add-on: %s", event.label, addon.name)
         # Skip unsupported components silently
-        if addon.component and not addon.addon.can_install(component, None):
+        if not addon.component and not addon.addon.can_install(component, None):
             scope.log_debug(
                 "Skipping incompatible %s add-on: %s for component: %s",
                 event.label,
@@ -272,7 +272,7 @@ def execute_addon_event(
             scope.log_error("failed %s add-on: %s: %s", event.label, addon.name, error)
             report_error(cause=f"add-on {addon.name} failed", project=component.project)
             # Uninstall no longer compatible add-ons
-            if not addon.addon.can_install(scope, None):
+            if not addon.addon.can_install(component, None):
                 scope.log_warning(
                     "uninstalling incompatible %s add-on: %s", event.label, addon.name
                 )
diff --git a/weblate/addons/tests.py b/weblate/addons/tests.py
index de8e61e32690..f6eaf600305b 100644
--- a/weblate/addons/tests.py
+++ b/weblate/addons/tests.py
@@ -1430,3 +1430,22 @@ def test_extract_broken(self) -> None:
         )
         # The error should be there
         self.assertTrue(self.component.alert_set.filter(name="CDNAddonError").exists())
+
+
+class SiteWideAddonsTest(ViewTestCase):
+    def create_component(self):
+        return self.create_java()
+
+    def test_json(self):
+        JSONCustomizeAddon.create(
+            configuration={"indent": 8, "sort": 1, "style": "spaces"},
+        )
+        # This is not needed in real life as installation will happen
+        # in a different request so local caching does not apply
+        self.component.drop_addons_cache()
+        rev = self.component.repository.last_revision
+
+        self.edit_unit("Hello, world!\n", "Nazdar svete!\n")
+        self.get_translation().commit_pending("test", None)
+
+        self.assertNotEqual(rev, self.component.repository.last_revision)