diff --git a/haiku-apps/calendar/calendar-1.0_20200705.recipe b/haiku-apps/calendar/calendar-0.1.recipe
similarity index 77%
rename from haiku-apps/calendar/calendar-1.0_20200705.recipe
rename to haiku-apps/calendar/calendar-0.1.recipe
index 03eb6088e..82a202c7d 100644
--- a/haiku-apps/calendar/calendar-1.0_20200705.recipe
+++ b/haiku-apps/calendar/calendar-0.1.recipe
@@ -17,11 +17,9 @@ COPYRIGHT="2017 Akshay Agarwal
 	2020 Brianna C"
 LICENSE="MIT"
 REVISION="1"
-srcGitRev="8c39d02839a7f6dc2608f9fcbce2d4b08672e830"
-SOURCE_URI="https://github.com/HaikuArchives/Calendar/archive/$srcGitRev.tar.gz"
-CHECKSUM_SHA256="2a89264369b18ce585071c63f2af6c5d044a5f8a9d1f49fcd07a5cd1442fc5ac"
-SOURCE_FILENAME="calendar-$portVersion-$srcGitRev.tar.gz"
-SOURCE_DIR="Calendar-$srcGitRev"
+SOURCE_URI="$HOMEPAGE/archive/$portVersion.tar.gz"
+CHECKSUM_SHA256="c3d42cbd4554dda4e65cd5d8bb234ccfa2659cf5405046049d8528d3f86165ee"
+SOURCE_DIR="Calendar-$portVersion"
 
 ARCHITECTURES="x86_gcc2 x86_64"