diff --git a/adafruit_pyportal.py b/adafruit_pyportal.py
index bc02891..33a656d 100755
--- a/adafruit_pyportal.py
+++ b/adafruit_pyportal.py
@@ -722,7 +722,7 @@ def get_local_time(self, location=None):
         try:
             response = requests.get(api_url, timeout=10)
             if response.status_code != 200:
-                raise ValueError(response.text)
+                raise RuntimeError(response.text)
             if self._debug:
                 print("Time request: ", api_url)
                 print("Time reply: ", response.text)