diff --git a/src/core/main.py b/src/core/main.py
index 9f173b7..c3bda77 100644
--- a/src/core/main.py
+++ b/src/core/main.py
@@ -669,7 +669,7 @@ def main():
         for namespace in configuration.evaluateXpath("yep:namespace"):
             name, uri = namespace.prop("name"), namespace.prop("uri")
             try:
-                namespaces.getUri(name):
+                namespaces.getUri(name)
             except KeyError:
                 ns = namespaces.Namespace(name, uri)
             application.xpathContext.xpathRegisterNs(name, uri)