diff --git a/pkgs/tools/package-management/nix/modular/src/libflake-tests/package.nix b/pkgs/tools/package-management/nix/modular/src/libflake-tests/package.nix
index f84692827536..ed1b51bda304 100644
--- a/pkgs/tools/package-management/nix/modular/src/libflake-tests/package.nix
+++ b/pkgs/tools/package-management/nix/modular/src/libflake-tests/package.nix
@@ -3,6 +3,7 @@
   buildPackages,
   stdenv,
   mkMesonExecutable,
+  writableTmpDirAsHomeHook,
 
   nix-flake,
   nix-flake-c,
@@ -41,12 +42,11 @@ mkMesonExecutable (finalAttrs: {
         runCommand "${finalAttrs.pname}-run"
           {
             meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
+            buildInputs = [ writableTmpDirAsHomeHook ];
           }
           (''
             export _NIX_TEST_UNIT_DATA=${resolvePath ./data}
             export NIX_CONFIG="extra-experimental-features = flakes"
-            export HOME="$TMPDIR/home"
-            mkdir -p "$HOME"
             ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
             touch $out
           '');
diff --git a/pkgs/tools/package-management/nix/modular/src/libstore-tests/package.nix b/pkgs/tools/package-management/nix/modular/src/libstore-tests/package.nix
index c3dc0343dfd9..c1ab5a95d536 100644
--- a/pkgs/tools/package-management/nix/modular/src/libstore-tests/package.nix
+++ b/pkgs/tools/package-management/nix/modular/src/libstore-tests/package.nix
@@ -3,6 +3,7 @@
   buildPackages,
   stdenv,
   mkMesonExecutable,
+  writableTmpDirAsHomeHook,
 
   nix-store,
   nix-store-c,
@@ -62,11 +63,10 @@ mkMesonExecutable (finalAttrs: {
         runCommand "${finalAttrs.pname}-run"
           {
             meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
+            buildInputs = [ writableTmpDirAsHomeHook ];
           }
           (''
             export _NIX_TEST_UNIT_DATA=${data + "/src/libstore-tests/data"}
-            export HOME="$TMPDIR/home"
-            mkdir -p "$HOME"
             ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage} \
               --gtest_filter=-${lib.concatStringsSep ":" finalAttrs.excludedTestPatterns}
             touch $out