diff --git a/scripts/set-repository-url.sh b/scripts/set-repository-url.sh
index 9878fa8..31a7ba1 100755
--- a/scripts/set-repository-url.sh
+++ b/scripts/set-repository-url.sh
@@ -14,7 +14,9 @@ url="${url%/}"               # drop a trailing slash
 [ -n "$url" ] || exit 0      # no origin (e.g. tarball install) → leave .env untouched
 
 if grep -q '^CLUSEV_REPOSITORY=' "$envfile" 2>/dev/null; then
-    # Drop every existing line, then re-append once — collapses any duplicates to a single entry.
-    sed -i '/^CLUSEV_REPOSITORY=/d' "$envfile"
+    # Replace existing line(s) with the derived URL, collapsing any duplicates to one entry.
+    sed -i "/^CLUSEV_REPOSITORY=/d" "$envfile"
+    printf 'CLUSEV_REPOSITORY=%s\n' "$url" >> "$envfile"
+else
+    printf 'CLUSEV_REPOSITORY=%s\n' "$url" >> "$envfile"
 fi
-printf 'CLUSEV_REPOSITORY=%s\n' "$url" >> "$envfile"