diff --git a/pkgs/development/python-modules/generic/wrap.sh b/pkgs/development/python-modules/generic/wrap.sh
index 71269945d6f4..d42be1469552 100644
--- a/pkgs/development/python-modules/generic/wrap.sh
+++ b/pkgs/development/python-modules/generic/wrap.sh
@@ -51,6 +51,9 @@ createBuildInputsPth() {
     local inputs="$2"
     if [ foo"$inputs" != foo ]; then
         for x in $inputs; do
+            if $(echo -n $x |grep -q python-recursive-pth-loader); then
+                continue
+            fi
             if test -d "$x"/lib/@libPrefix@/site-packages; then
                 echo $x/lib/@libPrefix@/site-packages \
                     >> "$out"/lib/@libPrefix@/site-packages/${name}-nix-python-$category.pth