diff --git a/src/pgmon.py b/src/pgmon.py
index 77dd2e8..310a024 100755
--- a/src/pgmon.py
+++ b/src/pgmon.py
@@ -518,7 +518,6 @@ def parse_version_rss(raw_rss, release):
 
     This sets these global variables:
         latest_version
-        latest_version_next_check
         release_supported
 
     It is expected that the caller already holds the latest_version_lock lock.
@@ -528,7 +527,6 @@ def parse_version_rss(raw_rss, release):
         release: The PostgreSQL release we care about (ex: 9.2, 14)
     """
     global latest_version
-    global latest_version_next_check
     global release_supported
 
     # Regular expressions for parsing the RSS document
@@ -583,6 +581,8 @@ def get_latest_version():
     Get the latest supported version of the major PostgreSQL release running on the server being monitored.
     """
 
+    global latest_version_next_check
+
     # If we don't know the latest version or it's past the recheck time, get the
     # version from the PostgreSQL RSS feed.  Only one thread needs to do this, so
     # they all try to grab the lock, and then make sure nobody else beat them to it.
@@ -705,7 +705,10 @@ class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
                 self._reply(
                     200,
                     json.dumps(
-                        {"latest": latest_version, "supported": 1 if release_supported else 0}
+                        {
+                            "latest": latest_version,
+                            "supported": 1 if release_supported else 0,
+                        }
                     ),
                 )
             except LatestVersionCheckError as e: