diff --git a/Mods/Core_SK/About/About.xml b/Mods/Core_SK/About/About.xml
index df9b6d5baa..022c673558 100644
--- a/Mods/Core_SK/About/About.xml
+++ b/Mods/Core_SK/About/About.xml
@@ -92,5 +92,6 @@
 		<li>Abraxas.MSERevived</li>
 		<li>Uuugggg.GearUpAndGo</li>
 		<li>VanillaExpanded.VEE</li>
+		<li>ratys.madskills</li>
 	</incompatibleWith>
 </ModMetaData>