diff --git a/pkgs/tools/backup/fabs/default.nix b/pkgs/tools/backup/fabs/default.nix
index 9a2a6045c14..47e36b2139f 100644
--- a/pkgs/tools/backup/fabs/default.nix
+++ b/pkgs/tools/backup/fabs/default.nix
@@ -23,7 +23,7 @@ python3.pkgs.buildPythonApplication rec {
 
   propagatedBuildInputs = with python3.pkgs; [
     alembic
-    dateutil
+    python-dateutil
     pyyaml
     setuptools
     sqlalchemy