diff --git a/src/posts/unstagnation/java.lang.NullPointerException.md b/src/posts/unstagnation/java.lang.NullPointerException.md
index 0b45a53..53c59cb 100644
--- a/src/posts/unstagnation/java.lang.NullPointerException.md
+++ b/src/posts/unstagnation/java.lang.NullPointerException.md
@@ -2,7 +2,7 @@
 title: java.lang.NullPointerException
 date: 2020-06-19
 tags:
-= barin
+- barin
 - unstagnation
 - literature
 ---