diff --git a/extensions/mentions/migrations/2018_06_27_102300_change_post_mentions_post_add_foreign_keys.php b/extensions/mentions/migrations/2018_06_27_102300_change_post_mentions_post_add_foreign_keys.php
index 09d729079..8018523a2 100644
--- a/extensions/mentions/migrations/2018_06_27_102300_change_post_mentions_post_add_foreign_keys.php
+++ b/extensions/mentions/migrations/2018_06_27_102300_change_post_mentions_post_add_foreign_keys.php
@@ -37,7 +37,8 @@ return [
 
     'down' => function (Builder $schema) {
         $schema->table('posts_mentions_posts', function (Blueprint $table) use ($schema) {
-            $table->dropForeign(['post_id', 'mentions_post_id']);
+            $table->dropForeign(['post_id']);
+            $table->dropForeign(['mentions_post_id']);
 
             Migration::fixIndexNames($schema, $table);
         });
diff --git a/extensions/mentions/migrations/2018_06_27_102500_change_post_mentions_user_add_foreign_keys.php b/extensions/mentions/migrations/2018_06_27_102500_change_post_mentions_user_add_foreign_keys.php
index 0f0491867..339fae43f 100644
--- a/extensions/mentions/migrations/2018_06_27_102500_change_post_mentions_user_add_foreign_keys.php
+++ b/extensions/mentions/migrations/2018_06_27_102500_change_post_mentions_user_add_foreign_keys.php
@@ -37,7 +37,8 @@ return [
 
     'down' => function (Builder $schema) {
         $schema->table('post_mentions_user', function (Blueprint $table) use ($schema) {
-            $table->dropForeign(['post_id', 'mentions_user_id']);
+            $table->dropForeign(['post_id']);
+            $table->dropForeign(['mentions_user_id']);
 
             Migration::fixIndexNames($schema, $table);
         });