diff --git a/setup.cfg b/setup.cfg
index 94c1fc00f..b2e1f6faa 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -55,7 +55,7 @@ xfail_strict = true
 filterwarnings =
     error
     error::DeprecationWarning
-    error:PendingDeprecationWarning
+    error::PendingDeprecationWarning
 markers =
     gettz
     import_star