diff --git a/src/Symfony/Component/ErrorHandler/Debug.php b/src/Symfony/Component/ErrorHandler/Debug.php
index 343a35a77b11b..5c8b60101bb69 100644
--- a/src/Symfony/Component/ErrorHandler/Debug.php
+++ b/src/Symfony/Component/ErrorHandler/Debug.php
@@ -33,6 +33,7 @@ public static function enable(): ErrorHandler
         ini_set('assert.active', 1);
         ini_set('assert.warning', 0);
         ini_set('assert.exception', 1);
+        ini_set('intl.use_exceptions', 1);
 
         DebugClassLoader::enable();
 
diff --git a/src/Symfony/Component/Runtime/Internal/BasicErrorHandler.php b/src/Symfony/Component/Runtime/Internal/BasicErrorHandler.php
index 3c97cba4baf8d..b01051b2aced9 100644
--- a/src/Symfony/Component/Runtime/Internal/BasicErrorHandler.php
+++ b/src/Symfony/Component/Runtime/Internal/BasicErrorHandler.php
@@ -35,6 +35,7 @@ public static function register(bool $debug): void
             ini_set('assert.warning', 0);
             ini_set('assert.exception', 1);
         }
+        ini_set('intl.use_exceptions', 1);
 
         set_error_handler(new self());
     }