diff --git a/documentation/set_versions.py b/documentation/set_versions.py
index 9049c1a68..a7ceb3455 100755
--- a/documentation/set_versions.py
+++ b/documentation/set_versions.py
@@ -86,7 +86,7 @@ docconfver = None
 
 # Test tags exist and inform the user to fetch if not
 try:
-    subprocess.run(["git", "show", "yocto-3.4.2"], capture_output=True, check=True)
+    subprocess.run(["git", "show", "yocto-%s" % release_series[activereleases[0]]], capture_output=True, check=True)
 except subprocess.CalledProcessError:
     sys.exit("Please run 'git fetch --tags' before building the documentation")