diff --git a/History.markdown b/History.markdown
index 83a74430..e79677bc 100644
--- a/History.markdown
+++ b/History.markdown
@@ -25,6 +25,7 @@
 ### Bug Fixes
 
   * Exclude Gemfile by default (#5860)
+  * Convertible#validate_permalink!: ensure the return value of data["permalink"] is a string before asking if it is empty (#5878)
 
 ## 3.4.0 / 2017-01-27