diff --git a/tests/integration/test_prometheus_endpoint/test.py b/tests/integration/test_prometheus_endpoint/test.py
index 06276803c3d..c2b5a57218b 100644
--- a/tests/integration/test_prometheus_endpoint/test.py
+++ b/tests/integration/test_prometheus_endpoint/test.py
@@ -30,7 +30,7 @@ def parse_response_line(line):
 
     if line.startswith("#"):
         return {}
-    match = re.match('^([a-zA-Z_:][a-zA-Z0-9_:]+)(\{.*\})? (\d)', line)
+    match = re.match('^([a-zA-Z_:][a-zA-Z0-9_:-]+)(\{.*\})? (\d)', line)
     assert match, line
     name, _, val = match.groups()
     return {name: int(val)}