diff --git a/Kalculator/Kalculator-0.2.3.ckan b/Kalculator/Kalculator-0.2.3.ckan
index 0294293a01..d53200cb22 100644
--- a/Kalculator/Kalculator-0.2.3.ckan
+++ b/Kalculator/Kalculator-0.2.3.ckan
@@ -6,7 +6,7 @@
     "author": "hashashin",
     "license": "GPL-3.0",
     "resources": {
-        "homepage": "http://forum.kerbalspaceprogram.com/threads/66881",
+        "homepage": "https://forum.kerbalspaceprogram.com/index.php?/topic/60732-1",
         "spacedock": "https://spacedock.info/mod/78/Kalculator",
         "repository": "https://github.com/hashashin/ksp_kalculator",
         "x_screenshot": "https://spacedock.info/content/hashashin_471/Kalculator/Kalculator-1455805035.169728.png"