diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index cd9abba308f5..a001be5035d2 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -1226,4 +1226,7 @@ self: super: builtins.intersectAttrs super {
 
   keid-render-basic = addBuildTool pkgs.glslang super.keid-render-basic;
 
+  # Disable checks to break dependency loop with SCalendar
+  scalendar = dontCheck super.scalendar;
+
 }