diff --git a/app/Http/Controllers/AccountController.php b/app/Http/Controllers/AccountController.php
index 54475fbb6983..276d9388b183 100644
--- a/app/Http/Controllers/AccountController.php
+++ b/app/Http/Controllers/AccountController.php
@@ -641,11 +641,18 @@ class AccountController extends BaseController
             );
         }
 
-        $types = [GATEWAY_TYPE_CREDIT_CARD, GATEWAY_TYPE_BANK_TRANSFER, GATEWAY_TYPE_PAYPAL, GATEWAY_TYPE_BITCOIN, GATEWAY_TYPE_DWOLLA];
+        $types = [
+            GATEWAY_TYPE_CREDIT_CARD,
+            GATEWAY_TYPE_BANK_TRANSFER,
+            GATEWAY_TYPE_PAYPAL,
+            GATEWAY_TYPE_BITCOIN,
+            GATEWAY_TYPE_DWOLLA
+        ];
         $options = [];
         foreach ($types as $type) {
             if ($account->getGatewayByType($type)) {
-                $options[$type] = trans("texts.{$type}");
+                $alias = GatewayType::getAliasFromId($type);
+                $options[$alias] = trans("texts.{$alias}");
             }
         }
 
diff --git a/app/Libraries/Utils.php b/app/Libraries/Utils.php
index 2dede0e95dab..d86ea881e602 100644
--- a/app/Libraries/Utils.php
+++ b/app/Libraries/Utils.php
@@ -725,7 +725,7 @@ class Utils
         } elseif ($model->first_name || $model->last_name) {
             return $model->first_name.' '.$model->last_name;
         } else {
-            return $model->email;
+            return $model->email ?: '';
         }
     }
 
diff --git a/database/migrations/2016_02_01_135956_add_source_currency_to_expenses.php b/database/migrations/2016_02_01_135956_add_source_currency_to_expenses.php
index a4b1fa62436b..c39a722af01f 100644
--- a/database/migrations/2016_02_01_135956_add_source_currency_to_expenses.php
+++ b/database/migrations/2016_02_01_135956_add_source_currency_to_expenses.php
@@ -21,7 +21,7 @@ class AddSourceCurrencyToExpenses extends Migration
                 $table->renameColumn('currency_id', 'invoice_currency_id');
             }
 
-            $table->unsignedInteger('expense_currency_id');
+            $table->unsignedInteger('expense_currency_id')->nullable();
         });
 
         Schema::table('expenses', function (Blueprint $table) {