diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 325579a5b..fe0976228 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,8 @@ jobs:
       with:
         fetch-depth: 0
     - uses: cachix/install-nix-action@v19
+      with:
+        install_url: https://releases.nixos.org/nix/nix-2.13.3/install
     - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
     - uses: cachix/cachix-action@v12
       if: needs.check_secrets.outputs.cachix == 'true'
@@ -59,6 +61,8 @@ jobs:
         fetch-depth: 0
     - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
     - uses: cachix/install-nix-action@v19
+      with:
+        install_url: https://releases.nixos.org/nix/nix-2.13.3/install
     - uses: cachix/cachix-action@v12
       with:
         name: '${{ env.CACHIX_NAME }}'
@@ -103,6 +107,8 @@ jobs:
       with:
         fetch-depth: 0
     - uses: cachix/install-nix-action@v19
+      with:
+        install_url: https://releases.nixos.org/nix/nix-2.13.3/install
     - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
     - run: echo NIX_VERSION="$(nix --experimental-features 'nix-command flakes' eval .\#default.version | tr -d \")" >> $GITHUB_ENV
     - uses: cachix/cachix-action@v12
diff --git a/scripts/nix-profile-daemon.sh.in b/scripts/nix-profile-daemon.sh.in
index 80774f1f2..8cfd3149e 100644
--- a/scripts/nix-profile-daemon.sh.in
+++ b/scripts/nix-profile-daemon.sh.in
@@ -8,7 +8,7 @@ if [ -n "${XDG_STATE_HOME-}" ]; then
 else
     NIX_LINK_NEW=$HOME/.local/state/nix/profile
 fi
-if ! [ -e "$NIX_LINK" ]; then
+if [ -e "$NIX_LINK_NEW" ]; then
     NIX_LINK="$NIX_LINK_NEW"
 else
     if [ -t 2 ] && [ -e "$NIX_LINK_NEW" ]; then
diff --git a/scripts/nix-profile.sh.in b/scripts/nix-profile.sh.in
index e8af91211..c4d60cf37 100644
--- a/scripts/nix-profile.sh.in
+++ b/scripts/nix-profile.sh.in
@@ -8,7 +8,7 @@ if [ -n "$HOME" ] && [ -n "$USER" ]; then
     else
         NIX_LINK_NEW="$HOME/.local/state/nix/profile"
     fi
-    if ! [ -e "$NIX_LINK" ]; then
+    if [ -e "$NIX_LINK_NEW" ]; then
         NIX_LINK="$NIX_LINK_NEW"
     else
         if [ -t 2 ] && [ -e "$NIX_LINK_NEW" ]; then