diff --git a/CHANGES.rst b/CHANGES.rst
index c578f91..91ca480 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,6 +5,7 @@ grafana-wtf changelog
 
 in progress
 ===========
+- Masked problematic ``--concurrency=1`` setting
 
 2025-12-03 0.23.4
 =================
diff --git a/grafana_wtf/core.py b/grafana_wtf/core.py
index a666d30..f54bc86 100644
--- a/grafana_wtf/core.py
+++ b/grafana_wtf/core.py
@@ -50,7 +50,7 @@ def __init__(self, grafana_url, grafana_token=None):
         self.grafana_url = grafana_url
         self.grafana_token = grafana_token
 
-        self.concurrency = 5
+        self.concurrency = 0
 
         self.grafana = self.grafana_client_factory(
             self.grafana_url, grafana_token=self.grafana_token
@@ -95,7 +95,9 @@ def clear_cache(self):
         log.info("Clearing cache")
         requests_cache.clear()
 
-    def enable_concurrency(self, concurrency):
+    def enable_concurrency(self, concurrency: int):
+        if concurrency == 1:
+            concurrency = 0
         self.concurrency = concurrency
 
     @classmethod