diff --git a/flake.nix b/flake.nix
index f2d934dd..0dd9370b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -251,6 +251,8 @@
               ${hostConfig.system.build.runOnServer} bash -e <<END
               mkdir -p /var/lib/microvms/${name}
               cd /var/lib/microvms/${name}
+              chown root:kvm .
+              chmod 0775 .
               nix build \
                 -o current \
                 ${self}#nixosConfigurations.${name}.config.microvm.declaredRunner
@@ -265,6 +267,8 @@
               ${hostConfig.system.build.runOnServer} bash -e <<END
               mkdir -p /var/lib/microvms/${name}
               cd /var/lib/microvms/${name}
+              chown root:kvm .
+              chmod 0775 .
               rm -f current
               ln -s ${hostConfig.microvm.declaredRunner} current
               echo '${selfRef}' > flake