diff --git a/setupbase.py b/setupbase.py
index a379b9e92..7afb5f9b6 100644
--- a/setupbase.py
+++ b/setupbase.py
@@ -422,7 +422,7 @@ def css_js_prerelease(command, strict=False):
                 self.distribution.run_command('js')
                 self.distribution.run_command('css')
             except Exception as e:
-                log.warn("rebuilding js and css failed.)
+                log.warn("rebuilding js and css failed.")
                 raise e
                 
             command.run(self)