diff --git a/docs/changelog/7.x.x.txt b/docs/changelog/7.x.x.txt
index a79cdbf02..3aa19597c 100644
--- a/docs/changelog/7.x.x.txt
+++ b/docs/changelog/7.x.x.txt
@@ -1,4 +1,5 @@
 7.6.7
+ - fixed #9263: Thingy possibleValues processing, and List type autodetection.
 
 7.6.6
  - fixed #8792: Image Preview gives ERROR in Collateral Manager
diff --git a/lib/WebGUI/Asset/Wobject/Thingy.pm b/lib/WebGUI/Asset/Wobject/Thingy.pm
index d68660b8e..3b5f6ee5d 100644
--- a/lib/WebGUI/Asset/Wobject/Thingy.pm
+++ b/lib/WebGUI/Asset/Wobject/Thingy.pm
@@ -862,7 +862,7 @@ sub getFormElement {
         }
     }
 
-    if (WebGUI::Utility::isIn($data->{fieldType},qw(SelectList CheckList SelectBox Attachments Combo))) {
+    if (WebGUI::Utility::isIn($data->{fieldType},qw(SelectList CheckList SelectBox Attachments))) {
         my @defaultValues;
         if ($self->session->form->param($name)) {
             @defaultValues = $self->session->form->selectList($name);
@@ -876,7 +876,9 @@ sub getFormElement {
         $param{value} = \@defaultValues;
     }
 
-    if (WebGUI::Utility::isIn($data->{fieldType},qw(SelectList SelectBox CheckList RadioList SelectSlider Combo))) {
+    my $class = 'WebGUI::Form::'. ucfirst $data->{fieldType};
+    eval { WebGUI::Pluggable::load($class) };
+    if ($class->isa('WebGUI::Form::List')) {
         delete $param{size};
 
         my $values = WebGUI::Operation::Shared::secureEval($self->session,$data->{possibleValues});
@@ -930,7 +932,7 @@ sub getFormElement {
         $param{value} = $data->{value} || $data->{defaultValue};
     }
 
-    my $formElement =  eval { WebGUI::Pluggable::instanciate("WebGUI::Form::". ucfirst $param{fieldType}, "new", [$self->session, \%param ])};
+    my $formElement =  eval { WebGUI::Pluggable::instanciate($class, "new", [$self->session, \%param ])};
     return $formElement->toHtml();
 
 }