diff --git a/setup.cfg b/setup.cfg
index 665737f..6d0648b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,7 +23,7 @@ classifiers =
 
 [options]
 packages = find:
-package_dir = = src
+package_dir = =src
 include_package_data = true
 python_required = >= 3.10