diff --git a/composer.json b/composer.json
index b6a2c3a..e63fd0b 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
   "name": "putyourlightson/craft-blitz-f5",
   "description": "F5 cache purger for the Blitz plugin.",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "type": "craft-plugin",
   "homepage": "https://putyourlightson.com/plugins/blitz",
   "license": "proprietary",
diff --git a/src/F5Purger.php b/src/F5Purger.php
index a2b77fe..08069a5 100644
--- a/src/F5Purger.php
+++ b/src/F5Purger.php
@@ -193,8 +193,8 @@ public function getCondensedUriPattern(array $siteUris): string
     {
         $uris = array_map(fn($siteUri) => $siteUri->uri, $siteUris);
 
-        if (count($uris) < 2) {
-            return $uris[0];
+        if (count($uris) === 1) {
+            return $uris[0] ?? '';
         }
 
         // Get the longest common prefix between the two most dissimilar strings.