diff --git a/.changes/unreleased/Fixed-20250121-225838.yaml b/.changes/unreleased/Fixed-20250121-225838.yaml
new file mode 100644
index 000000000..f22ed2697
--- /dev/null
+++ b/.changes/unreleased/Fixed-20250121-225838.yaml
@@ -0,0 +1,6 @@
+kind: Fixed
+body: Fix legacy configuration processor for notifier component
+time: 2025-01-21T22:58:38.805800688+01:00
+custom:
+    Issue: ""
+    SchemaChange: No schema change
diff --git a/src/Bundle/ChillMainBundle/DependencyInjection/ChillMainExtension.php b/src/Bundle/ChillMainBundle/DependencyInjection/ChillMainExtension.php
index 2e9b7c029..9fa3b0f42 100644
--- a/src/Bundle/ChillMainBundle/DependencyInjection/ChillMainExtension.php
+++ b/src/Bundle/ChillMainBundle/DependencyInjection/ChillMainExtension.php
@@ -366,6 +366,17 @@ class ChillMainExtension extends Extension implements
      */
     private function prependNotifierTexterWithLegacyData(ContainerBuilder $container): void
     {
+        foreach (array_reverse($container->getExtensionConfig('framework')) as $c) {
+            // we look into each configuration for framework. If there is a configuration for
+            // texter_transports in one of them, we don't configure anything else
+            if (null !== $notifConfig = $c['notifier'] ?? null) {
+                if (null !== ($notifConfig['texter_transports'] ?? null)) {
+                    return;
+                }
+            }
+        }
+
+        // there is no texter config, we try to configure one
         $configs = $container->getExtensionConfig('chill_main');
         $notifierSet = false;
         foreach (array_reverse($configs) as $config) {