diff --git a/form.php b/form.php
index 7118a87..80db50f 100644
--- a/form.php
+++ b/form.php
@@ -477,18 +477,22 @@ class formfield
       }
       else
       {
-        if (isset ($this->values[$key]) &&
-            $this->values[$key] !== null &&
-            $this->values[$key] !== false &&
-            $this->values[$key] !== "unset" &&
-            $this->values[$key] !== "")
-          $res .= " checked='checked'";
-        elseif (isset ($this->defaults[$key]) &&
-                $this->defaults[$key] !== null &&
-                $this->defaults[$key] !== false &&
-                $this->defaults[$key] !== "unset" &&
-                $this->defaults[$key] !== "")
-          $res .= " checked='checked'";
+        if (isset ($this->values[$key]))
+        {
+          if ($this->values[$key] !== null &&
+              $this->values[$key] !== false &&
+              $this->values[$key] !== "unset" &&
+              $this->values[$key] !== "")
+            $res .= " Checked='checked'";
+        }
+        elseif (isset ($this->defaults[$key]))
+        {
+          if ($this->defaults[$key] !== null &&
+              $this->defaults[$key] !== false &&
+              $this->defaults[$key] !== "unset" &&
+              $this->defaults[$key] !== "")
+            $res .= " cheked='checked'";
+        }
       }
       if (isset ($this->hidden) && $this->hidden !== FALSE)
         $res .= " style='display:none'";