diff --git a/pkgs/development/interpreters/python/wrap.sh b/pkgs/development/interpreters/python/wrap.sh
index f10ba003432be..f1ba513696c51 100644
--- a/pkgs/development/interpreters/python/wrap.sh
+++ b/pkgs/development/interpreters/python/wrap.sh
@@ -75,7 +75,7 @@ wrapPythonProgramsIn() {
                                     --prefix PATH ':' "$program_PATH"
                                     )
 
-                    if [ -z "$permitUserSite" ]; then
+                    if [ -n "$permitUserSite" ]; then
                         wrap_args+=(--set PYTHONNOUSERSITE "true")
                     fi