diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e7ad930e16e1..87f529d36a14 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -24753,7 +24753,7 @@ in {
     };
 
     buildInputs = with self; [ pytest webob pkgs.imagemagick nose ];
-    propagatedBuildInputs = with self; [ sqlalchemy8 wand ];
+    propagatedBuildInputs = with self; [ sqlalchemy8 Wand ];
 
     checkPhase = ''
       cd tests