diff --git a/scripts/dev/generate_phpt.php b/scripts/dev/generate_phpt.php
index c43a911d572..5280f1d8e70 100644
--- a/scripts/dev/generate_phpt.php
+++ b/scripts/dev/generate_phpt.php
@@ -912,7 +912,7 @@ function parse_args ($arglist, $opt)
 								break;
 
                         default:
-                                echo "Command line option $arg[$j] not recognised\n";
+                                echo "Command line option $arglist[$j] not recognised\n";
                                 print_opts();
                 }