diff --git a/README.md b/README.md
index 3d2df1b..001416a 100644
--- a/README.md
+++ b/README.md
@@ -102,8 +102,9 @@ same subdomain are removed before new files are written.
 
 ## Hosting with OnionShare
 The folder under `host/<subdomain>` contains everything needed to serve the
-flyer. Run the helper script `serve_with_onionshare.sh` from the repository
-root to publish it over Tor:
+flyer. Run the helper script `serve_with_onionshare.sh` to publish it over Tor.
+The script now resolves the configuration and host paths internally, so it can
+be invoked from any directory:
 
 ```bash
 ./serve_with_onionshare.sh
diff --git a/serve_with_onionshare.sh b/serve_with_onionshare.sh
index 8ef242e..163dab8 100755
--- a/serve_with_onionshare.sh
+++ b/serve_with_onionshare.sh
@@ -8,7 +8,10 @@ fi
 
 # get subdomain from config
 subdomain=$(jq -r '.subdomain' "$CONFIG")
-DIR="host/${subdomain}"
+
+# resolve paths to absolute locations so the script works from anywhere
+CONFIG="$(realpath "$CONFIG")"
+DIR="$(realpath "host/$subdomain")"
 if [[ ! -d "$DIR" ]]; then
   echo "Directory $DIR not found" >&2
   exit 1