diff --git a/src/Model/Post/Category.php b/src/Model/Post/Category.php
index dd6171b0f6..c242e8ffd8 100644
--- a/src/Model/Post/Category.php
+++ b/src/Model/Post/Category.php
@@ -33,9 +33,9 @@ use Friendica\Model\Tag;
  */
 class Category
 {
-    const UNKNOWN           = 0;
-    const CATEGORY          = 3;
-    const FILE              = 5;
+	const UNKNOWN           = 0;
+	const CATEGORY          = 3;
+	const FILE              = 5;
 	const SUBCRIPTION       = 10;
 
 	/**