diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 84f5fb7f1cecc2e5b99902b5734e4d30a1afeebe..ac74f8629ceacdae62fa34c108fe0d898cb8be4b 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -139,15 +139,11 @@ $total_size = 0;
 while (my $line = <STDIN>) {
 	if ($line =~ m/$funcre/) {
 		$func = $1;
-		next if $line !~ m/^($xs*)/;
+		next if $line !~ m/^($x*)/;
 		if ($total_size > $min_stack) {
 			push @stack, "$intro$total_size\n";
 		}
-
-		$addr = $1;
-		$addr =~ s/ /0/g;
-		$addr = "0x$addr";
-
+		$addr = "0x$1";
 		$intro = "$addr $func [$file]:";
 		my $padlen = 56 - length($intro);
 		while ($padlen > 0) {