diff --git a/appinfo/info.xml b/appinfo/info.xml
index 5f014d1..fd4171b 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -5,7 +5,7 @@
     <name>Twigs</name>
     <summary>Twigs</summary>
     <description><![CDATA[Twigs is meant to help you get your finances on track by helping you establish budgets and register expenses. You can also share your budgets with other users.]]></description>
-    <version>0.1.1</version>
+    <version>0.1.2</version>
     <licence>agpl</licence>
     <author mail="william@wbrawner.com" homepage="https://wbrawner.com">William Brawner</author>
     <namespace>Twigs</namespace>
diff --git a/lib/Controller/CategoryController.php b/lib/Controller/CategoryController.php
index a223497..944056d 100644
--- a/lib/Controller/CategoryController.php
+++ b/lib/Controller/CategoryController.php
@@ -102,7 +102,7 @@ class CategoryController extends Controller
 		$category->setName($name);
 		$category->setDescription($description);
 		$category->setAmount($amount);
-		$category->setExpense($expense);
+		$category->setExpense((int) $expense);
 		$category->setBudgetId($budgetId);
 		return new DataResponse($this->categoryMapper->insert($category));
 	}
@@ -137,7 +137,7 @@ class CategoryController extends Controller
 			$category->setAmount($amount);
 		}
 		if ($expense) {
-			$category->setExpense($expense);
+			$category->setExpense((int) $expense);
 		}
 		if ($budgetId) {
 			try {
diff --git a/lib/Controller/TransactionController.php b/lib/Controller/TransactionController.php
index fd950ec..d79c91c 100644
--- a/lib/Controller/TransactionController.php
+++ b/lib/Controller/TransactionController.php
@@ -119,7 +119,7 @@ class TransactionController extends Controller
 		$transaction->setName($name);
 		$transaction->setDescription($description);
 		$transaction->setAmount($amount);
-		$transaction->setExpense($expense);
+		$transaction->setExpense((int) $expense);
 		$dateTime = DateTime::createFromFormat(self::DATE_FORMAT, $date);
 		if (!$dateTime) {
 			return new DataResponse(["message" => "Invalid date format: '$date'"], Http::STATUS_BAD_REQUEST);
@@ -172,7 +172,7 @@ class TransactionController extends Controller
 		$transaction->setName($name);
 		$transaction->setDescription($description);
 		$transaction->setAmount($amount);
-		$transaction->setExpense($expense);
+		$transaction->setExpense((int) $expense);
 		$dateTime = DateTime::createFromFormat(self::DATE_FORMAT, $date);
 		if (!$dateTime) {
 			return new DataResponse([], Http::STATUS_BAD_REQUEST);
@@ -251,7 +251,7 @@ class TransactionController extends Controller
 			$endDateTime->setDate(
 				$endDateTime->format('Y'),
 				$endDateTime->format('m'),
-				$endDateTime->format('t'),
+				$endDateTime->format('t')
 			);
 			$endDateTime->setTime(23, 59, 59, 999);
 		} else {
diff --git a/lib/Migration/Version000102Date20200324194700.php b/lib/Migration/Version000102Date20200324194700.php
new file mode 100644
index 0000000..c1abbea
--- /dev/null
+++ b/lib/Migration/Version000102Date20200324194700.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace OCA\Twigs\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\SimpleMigrationStep;
+use OCP\Migration\IOutput;
+use OCA\Twigs\Db\CategoryMapper;
+use OCA\Twigs\Db\TransactionMapper;
+
+class Version000102Date20200324194700 extends SimpleMigrationStep {
+
+    /**
+     * @param IOutput $output
+     * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+     * @param array $options
+     * @return null|ISchemaWrapper
+     */
+    public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+        /** @var ISchemaWrapper $schema */
+        $schema = $schemaClosure();
+
+        if ($schema->hasTable(CategoryMapper::TABLE_NAME)) {
+            $table = $schema->getTable(CategoryMapper::TABLE_NAME);
+            $table->changeColumn('description', [
+                'notnull' => false,
+            ]);
+        }
+
+        return $schema;
+    }
+}