--- t3lib/class.t3lib_tceforms.orig.php	2013-02-15 16:13:37.845000000 +0100
+++ t3lib/class.t3lib_tceforms.php	2013-02-15 16:26:17.345628000 +0100
@@ -6156,14 +6156,18 @@
 					break;
 					case 'IN':
 					case '!IN':
+					case '=':
+					case '!=':
 						$output = t3lib_div::inList($parts[3], $theFieldValue);
+
 						if ($parts[2]{0} == '!') {
 							$output = !$output;
 						}
 					break;
-					case '=':
-					case '!=':
-						$output = t3lib_div::inList($parts[3], $theFieldValue);
+					case 'BIT':
+					case '!BIT':
+						$output = ( intval($theFieldValue) & $parts[3] ) ? TRUE : FALSE;
+
 						if ($parts[2]{0} == '!') {
 							$output = !$output;
 						}