diff --git a/lib/default.nix b/lib/default.nix
index 8e29ef5c4201..56859d85ff4b 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -115,7 +115,7 @@ let
       mergeModules' mergeOptionDecls evalOptionValue mergeDefinitions
       pushDownProperties dischargeProperties filterOverrides
       sortProperties fixupOptionType mkIf mkAssert mkMerge mkOverride
-      mkOptionDefault mkDefault mkForce mkVMOverride
+      mkOptionDefault mkDefault mkImageMediaOverride mkForce mkVMOverride
       mkFixStrictness mkOrder mkBefore mkAfter mkAliasDefinitions
       mkAliasAndWrapDefinitions fixMergeModules mkRemovedOptionModule
       mkRenamedOptionModule mkMergedOptionModule mkChangedOptionModule