diff --git a/core/modules/migrate/src/MigrateExecutable.php b/core/modules/migrate/src/MigrateExecutable.php
index eacf9ae..e3396e2 100644
--- a/core/modules/migrate/src/MigrateExecutable.php
+++ b/core/modules/migrate/src/MigrateExecutable.php
@@ -405,7 +405,7 @@ public function processRow(Row $row, array $process = NULL, $value = NULL) {
             $value = NULL;
             break;
           }
-          $multiple = $multiple || $plugin->multiple();
+          $multiple = $plugin->multiple();
         }
       }
       // No plugins or no value means do not set.