diff --git a/public/IRC3sp.pl b/public/IRC3sp.pl
index c9cf142..e3a084c 100755
--- a/public/IRC3sp.pl
+++ b/public/IRC3sp.pl
@@ -607,7 +607,7 @@
                 $tmp .= "    \"species\": [\n";
                 while (my $item = shift @especes) {
                         $tmp .= "      \"$item\"";
-                        $tmp .= "," if @especes;
+                        $tmp .= ", " if @especes;
                         $tmp .= "\n";
                         }
                 $tmp .= "    ]\n";