diff --git a/versionProperties/26.1.0.properties b/versionProperties/26.1.0.properties
index 04a4ca10f..976dd8d54 100644
--- a/versionProperties/26.1.0.properties
+++ b/versionProperties/26.1.0.properties
@@ -26,7 +26,7 @@ bclib_version=
 immersive_portals_version=
 canvas_version=
 
-fabric_incompatibility_list={ }
+fabric_incompatibility_list={ "iris": "*" }
 fabric_recommend_list={}
 
 # Fabric mod run