diff --git a/flake.nix b/flake.nix
index 229e7579..fd54edca 100644
--- a/flake.nix
+++ b/flake.nix
@@ -59,7 +59,9 @@
     };
     flake-utils.url = "github:numtide/flake-utils";
     harmonia = {
-      url = "github:helsinki-systems/harmonia";
+      # url = "github:helsinki-systems/harmonia";
+      # https://github.com/helsinki-systems/harmonia/pull/79
+      url = "github:Mic92/harmonia/fix-build";
       flake = false;
     };
     heliwatch = {