diff --git a/utils/faviconize.pl b/utils/faviconize.pl
index 8298a4cc5..02d64829d 100755
--- a/utils/faviconize.pl
+++ b/utils/faviconize.pl
@@ -18,7 +18,11 @@ my @sizes = split m/,/, $sizes;
 my $include = "";
 
 mkdir($faviconDir);
-system("rm $faviconDir/*");
+my $dir = undef;
+opendir($dir, $faviconDir) or die "Could not read directory '$faviconDir', because: $!\n";
+while(my $fn = readdir($dir)) {
+  unlink("$faviconDir/$fn") if -d "$faviconDir/$fn"
+}
 for my $s(@sizes) {
   resize($s, "favicon-${s}x$s.png");
 }