diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ReferrerScopeAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ReferrerScopeAggregator.php
index 62f8cdef2..4f8c6f0ef 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ReferrerScopeAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ReferrerScopeAggregator.php
@@ -101,7 +101,7 @@ class ReferrerScopeAggregator implements AggregatorInterface
                 return 'export.aggregator.course.by_user_scope.Referrer\'s scope';
             }
 
-            if (null === $value) {
+            if (null === $value || '' === $value) {
                 return '';
             }