diff --git a/list_same/list_same b/list_same/list_same
index da5346a..5851e5b 100755
--- a/list_same/list_same
+++ b/list_same/list_same
@@ -172,7 +172,7 @@ sub output_doubles(@) {
 sub output($) {
 	my $string = shift;
 	if ($opts{e}) {
-		$string =~ s/([\&\;\`\'\\\"\|\*\?\~\<\>\^\(\)\[\]\{\}\$\010\013\020\011])/\\${1}/g;
+		$string =~ s/([ \&\;\`\'\\\"\|\*\?\~\<\>\^\(\)\[\]\{\}\$\010\013\020\011])/\\${1}/g;
 		print "$string";
 	} else {
 		print "$string";