diff --git a/pkgs/development/python-modules/generic/wrap.sh b/pkgs/development/python-modules/generic/wrap.sh
index 0193bd82837..857f002cace 100644
--- a/pkgs/development/python-modules/generic/wrap.sh
+++ b/pkgs/development/python-modules/generic/wrap.sh
@@ -28,7 +28,7 @@ wrapPythonProgramsIn() {
                 echo "wrapping \`$i'..."
                 sed -i "$i" -re '1 {
                     /^#!/!b; :r
-                    /\\$/{n;n;n;b r}
+                    /\\$/{N;b r}
                     /__future__|^ *(#.*)?$/{n;b r}
                     /^ *[^# ]/i import sys; sys.argv[0] = '"'$(basename "$i")'"'
                 }'