diff --git a/pkgs/tools/package-management/nix/modular/src/libexpr/package.nix b/pkgs/tools/package-management/nix/modular/src/libexpr/package.nix
index 965dffdf109e..2af58b0a241c 100644
--- a/pkgs/tools/package-management/nix/modular/src/libexpr/package.nix
+++ b/pkgs/tools/package-management/nix/modular/src/libexpr/package.nix
@@ -38,6 +38,10 @@ mkMesonLibrary (finalAttrs: {
 
   workDir = ./.;
 
+  hardeningDisable = lib.optionals stdenv.hostPlatform.isMusl [
+    "fortify"
+  ];
+
   nativeBuildInputs = [
     bison
     flex