diff --git a/changelog/60_UNRELEASED_2020-xx-xx.md b/changelog/60_UNRELEASED_2020-xx-xx.md
index ed30ee5b..033a7fe0 100644
--- a/changelog/60_UNRELEASED_2020-xx-xx.md
+++ b/changelog/60_UNRELEASED_2020-xx-xx.md
@@ -1,2 +1,5 @@
+### Calendar fixes
+- Fixed a PHP warning when using the "Share/Integrate calendar (iCal)" button (thanks @tsia)
+
 ### General & other improvements
 - UI refresh / style improvements (thanks @zsarnett)