diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 640706a..005f468 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -168,14 +168,32 @@ jobs:
             gh release edit nightly --draft --prerelease --latest=false
           fi
 
-          current_tag=$(gh api "repos/$GITHUB_REPOSITORY/git/ref/tags/nightly" --jq .object.sha 2>/dev/null || true)
-          if [ -n "$current_tag" ]; then
-            gh api --silent --method PATCH "repos/$GITHUB_REPOSITORY/git/refs/tags/nightly" \
-              -f sha="$SOURCE_SHA" -F force=true
-          else
-            gh api --silent --method POST "repos/$GITHUB_REPOSITORY/git/refs" \
-              -f ref=refs/tags/nightly -f sha="$SOURCE_SHA"
-          fi
+          # gh writes the REST error body to stdout on a missing ref, so use
+          # its exit status—not captured output—to choose create vs update.
+          # Retry both paths and re-read the ref to keep retries idempotent.
+          tag_ready=false
+          for attempt in 1 2 3 4 5; do
+            if gh api --silent "repos/$GITHUB_REPOSITORY/git/ref/tags/nightly" >/dev/null 2>&1; then
+              if gh api --silent --method PATCH "repos/$GITHUB_REPOSITORY/git/refs/tags/nightly" \
+                -f sha="$SOURCE_SHA" -F force=true; then
+                tag_ready=true
+                break
+              fi
+            elif gh api --silent --method POST "repos/$GITHUB_REPOSITORY/git/refs" \
+              -f ref=refs/tags/nightly -f sha="$SOURCE_SHA"; then
+              tag_ready=true
+              break
+            fi
+
+            [ "$attempt" -eq 5 ] || {
+              echo "::warning::Git refs API attempt $attempt failed; retrying"
+              sleep $((attempt * 2))
+            }
+          done
+          [ "$tag_ready" = true ] || {
+            echo "::error::could not point the nightly tag at $SOURCE_SHA"
+            exit 1
+          }
 
           if [ "$release_exists" = false ]; then
             gh release create nightly --verify-tag --draft --prerelease --latest=false \
diff --git a/README.md b/README.md
index 82893fa..3b7032c 100644
--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ To install the current successful build from `develop` instead, pass the
 installer's `--nightly` option through to `sh`:
 
 ```bash
-curl -fsSL https://re-invention.nl/soulseek-rs/install.sh | sh -s -- --nightly
+curl -fsSL https://raw.githubusercontent.com/michel/soulseek-rs/develop/website/public/install.sh | sh -s -- --nightly
 ```
 
 Nightly is a mutable prerelease rebuilt every day and whenever the **Nightly**
diff --git a/website/public/install.sh b/website/public/install.sh
index 15326f0..165d778 100644
--- a/website/public/install.sh
+++ b/website/public/install.sh
@@ -5,7 +5,7 @@
 #   curl -fsSL https://re-invention.nl/soulseek-rs/install.sh | sh
 #
 # Latest successful build from develop:
-#   curl -fsSL https://re-invention.nl/soulseek-rs/install.sh | sh -s -- --nightly
+#   curl -fsSL https://raw.githubusercontent.com/michel/soulseek-rs/develop/website/public/install.sh | sh -s -- --nightly
 #
 # Stable installs use Homebrew when it is on PATH (macOS and Linux). Nightly
 # installs always download the prebuilt binary for this platform. Direct
@@ -30,7 +30,7 @@ Install the latest stable soulseek-rs release. Options:
   -h, --help Show this help.
 
 When piping the script, pass the option after `sh -s --`:
-  curl -fsSL https://re-invention.nl/soulseek-rs/install.sh | sh -s -- --nightly
+  curl -fsSL https://raw.githubusercontent.com/michel/soulseek-rs/develop/website/public/install.sh | sh -s -- --nightly
 
 SOULSEEK_RS_INSTALL_DIR overrides the destination directory.
 EOF
diff --git a/website/src/lib/links.ts b/website/src/lib/links.ts
index ff75651..fdb4f37 100644
--- a/website/src/lib/links.ts
+++ b/website/src/lib/links.ts
@@ -27,4 +27,5 @@ export const SITE_URL = 'https://re-invention.nl/soulseek-rs/'
 
 export const INSTALL_CMD = `curl -fsSL ${SITE_URL}install.sh | sh`
 
-export const NIGHTLY_INSTALL_CMD = `${INSTALL_CMD} -s -- --nightly`
+export const NIGHTLY_INSTALL_CMD =
+  'curl -fsSL https://raw.githubusercontent.com/michel/soulseek-rs/develop/website/public/install.sh | sh -s -- --nightly'