diff --git a/modules/services/dunst.nix b/modules/services/dunst.nix
index daa800cf..bd8c4adf 100644
--- a/modules/services/dunst.nix
+++ b/modules/services/dunst.nix
@@ -172,7 +172,7 @@ in {
 
         mkPath = { basePath, theme, category }:
           "${basePath}/share/icons/${theme.name}/${theme.size}/${category}";
-      in concatMapStringsSep ":" mkPath (cartesianProductOfSets {
+      in concatMapStringsSep ":" mkPath (cartesianProduct {
         basePath = basePaths;
         theme = themes;
         category = categories;