diff --git a/src/utils/GitTagFetcher.php b/src/utils/GitTagFetcher.php
index e4a36da..5596d43 100644
--- a/src/utils/GitTagFetcher.php
+++ b/src/utils/GitTagFetcher.php
@@ -18,6 +18,9 @@ public function fetchLatestTagVersion(?string $workingDirectory): string
         exec($cmd, $output, $returnCode);
 
         if ($returnCode !== 0 || count($output) !== 1) {
+            if ($workingDirectory !== null) {
+                throw new \RuntimeException('Could not determine latest git tag in working directory: "' . $workingDirectory .'"');
+            }
             throw new \RuntimeException('Could not determine latest git tag');
         }
         return $output[0];