diff --git a/python3.11-django-pgtrigger.nix b/python3.11-django-pgtrigger.nix
index dcc5fe0..8a31fa8 100644
--- a/python3.11-django-pgtrigger.nix
+++ b/python3.11-django-pgtrigger.nix
@@ -23,8 +23,9 @@ mkDerivation {
 	installPhase = ''
 		runHook preInstall
 
-		mkdir -p $out/lib/python3.11/site-packages
-		cp -r $src/pgtrigger $out/lib/python3.11/site-packages/django-pgtrigger
+		mkdir -p $out/lib/python3.11/site-packages/pgtrigger
+		cp $src/pgtrigger/*.py $out/lib/python3.11/site-packages/pgtrigger/
+		cp -r $src/pgtrigger/management $out/lib/python3.11/site-packages/pgtrigger/
 		
 		mkdir -p $out/lib/python3.11/site-packages/django-pgtrigger-4.13.3.dist-info
 		cat << EOF > $out/lib/python3.11/site-packages/django-pgtrigger-4.13.3.dist-info/METADATA