diff --git a/fixline1 b/fixline1

index 81e8a02..26f6553 100755

--- a/fixline1

+++ b/fixline1

@@ -22,6 +22,8 @@ if {[regexp {^#!(?:.*/)*([^ ]+)} [gets stdin] {} interp]} {

 	    set with_tk {package require Tk}

 	}

 	expect {}

+	tclsh { exit 0 }

+	sh { exit 0 }

 	default {

 	    error "FIXME: $interp"

 	}