diff --git a/src/Strategies/Form/Store/RelationPluralKeys.php b/src/Strategies/Form/Store/RelationPluralKeys.php
index 6fc59050..f900c596 100644
--- a/src/Strategies/Form/Store/RelationPluralKeys.php
+++ b/src/Strategies/Form/Store/RelationPluralKeys.php
@@ -89,7 +89,7 @@ public function performStoreAfter(Model $model, $source, $value)
             throw new UnexpectedValueException("{$source} is a single relation, expecting plural");
         }
 
-        if (null === $value) {
+        if (null === $value || $value === [null] || $value === ['']) {
             $value = [];
         }