diff --git a/framework/core/migrations/2018_01_11_155300_change_discussions_add_foreign_keys.php b/framework/core/migrations/2018_01_11_155300_change_discussions_add_foreign_keys.php
index 39d8d8e5d..e71e11680 100644
--- a/framework/core/migrations/2018_01_11_155300_change_discussions_add_foreign_keys.php
+++ b/framework/core/migrations/2018_01_11_155300_change_discussions_add_foreign_keys.php
@@ -47,10 +47,11 @@ return [
 
     'down' => function (Builder $schema) {
         $schema->table('discussions', function (Blueprint $table) use ($schema) {
-            $table->dropForeign([
-                'user_id', 'last_posted_user_id', 'hidden_user_id',
-                'first_post_id', 'last_post_id'
-            ]);
+            $table->dropForeign(['user_id']);
+            $table->dropForeign(['last_posted_user_id']);
+            $table->dropForeign(['hidden_user_id']);
+            $table->dropForeign(['first_post_id']);
+            $table->dropForeign(['last_post_id']);
 
             Migration::fixIndexNames($schema, $table);
         });
diff --git a/framework/core/migrations/2018_01_15_071900_change_discussion_user_add_foreign_keys.php b/framework/core/migrations/2018_01_15_071900_change_discussion_user_add_foreign_keys.php
index 1a89deb05..f83c196f4 100644
--- a/framework/core/migrations/2018_01_15_071900_change_discussion_user_add_foreign_keys.php
+++ b/framework/core/migrations/2018_01_15_071900_change_discussion_user_add_foreign_keys.php
@@ -37,7 +37,8 @@ return [
 
     'down' => function (Builder $schema) {
         $schema->table('discussion_user', function (Blueprint $table) use ($schema) {
-            $table->dropForeign(['user_id', 'discussion_id']);
+            $table->dropForeign(['user_id']);
+            $table->dropForeign(['discussion_id']);
 
             Migration::fixIndexNames($schema, $table);
         });
diff --git a/framework/core/migrations/2018_01_18_130700_change_group_user_add_foreign_keys.php b/framework/core/migrations/2018_01_18_130700_change_group_user_add_foreign_keys.php
index 0bf369ae5..aa7b8785a 100644
--- a/framework/core/migrations/2018_01_18_130700_change_group_user_add_foreign_keys.php
+++ b/framework/core/migrations/2018_01_18_130700_change_group_user_add_foreign_keys.php
@@ -37,7 +37,8 @@ return [
 
     'down' => function (Builder $schema) {
         $schema->table('group_user', function (Blueprint $table) use ($schema) {
-            $table->dropForeign(['user_id', 'group_id']);
+            $table->dropForeign(['user_id']);
+            $table->dropForeign(['group_id']);
 
             Migration::fixIndexNames($schema, $table);
         });
diff --git a/framework/core/migrations/2018_01_18_133100_change_notifications_add_foreign_keys.php b/framework/core/migrations/2018_01_18_133100_change_notifications_add_foreign_keys.php
index 0626646eb..043d7e4c6 100644
--- a/framework/core/migrations/2018_01_18_133100_change_notifications_add_foreign_keys.php
+++ b/framework/core/migrations/2018_01_18_133100_change_notifications_add_foreign_keys.php
@@ -41,7 +41,8 @@ return [
 
     'down' => function (Builder $schema) {
         $schema->table('notifications', function (Blueprint $table) use ($schema) {
-            $table->dropForeign(['user_id', 'from_user_id']);
+            $table->dropForeign(['user_id']);
+            $table->dropForeign(['from_user_id']);
 
             Migration::fixIndexNames($schema, $table);
         });
diff --git a/framework/core/migrations/2018_01_18_135100_change_posts_add_foreign_keys.php b/framework/core/migrations/2018_01_18_135100_change_posts_add_foreign_keys.php
index 5ef5d2a6e..2a6d0e771 100644
--- a/framework/core/migrations/2018_01_18_135100_change_posts_add_foreign_keys.php
+++ b/framework/core/migrations/2018_01_18_135100_change_posts_add_foreign_keys.php
@@ -43,10 +43,10 @@ return [
 
     'down' => function (Builder $schema) {
         $schema->table('posts', function (Blueprint $table) use ($schema) {
-            $table->dropForeign([
-                'user_id', 'discussion_id',
-                'edited_user_id', 'hidden_user_id'
-            ]);
+            $table->dropForeign(['user_id']);
+            $table->dropForeign(['discussion_id']);
+            $table->dropForeign(['edited_user_id']);
+            $table->dropForeign(['hidden_user_id']);
 
             Migration::fixIndexNames($schema, $table);
         });