Index: t3lib/tceforms/class.t3lib_tceforms_suggest.php
===================================================================
--- t3lib/tceforms/class.t3lib_tceforms_suggest.php	(revision 10022)
+++ t3lib/tceforms/class.t3lib_tceforms_suggest.php	(working copy)
@@ -66,6 +66,15 @@
 		$containerCssClass = $this->cssClass . ' ' . $this->cssClass . '-position-right';
 		$suggestId = 'suggest-' . $table . '-' . $field . '-' . $row['uid'];
 
+		if ($field == 'pi_flexform'){
+			$stdPattern = 'data['.$table.']['.$row['uid'].'][pi_flexform][data][';
+			$ffField = str_replace($stdPattern, 'pi_flexform||', $fieldname);
+			$ffField = substr($ffField,0,-1);
+			$ffField = str_replace('][','|',$ffField);
+			$ffField .= '||'.$config['fieldConf']['config']['allowed'];
+			$field = $ffField;
+		}
+
 		$selector = '
 		<div class="' . $containerCssClass . '" id="' . $suggestId . '">
 			<input type="text" id="' . $fieldname . 'Suggest" value="' .
@@ -139,6 +148,10 @@
 			$foreign_table_where = $GLOBALS['TCA'][$table]['columns'][$field]['config']['foreign_table_where'];
 				// strip ORDER BY clause
 			$foreign_table_where = trim(preg_replace('/ORDER[[:space:]]+BY.*/i', '', $foreign_table_where));
+		} else if (substr($field, 0, 13) == 'pi_flexform||'){
+			$divideGet = explode('||', $field);
+			$field = 'pi_flexform][data]['.str_replace('|','][',$divideGet[1]);
+			$queryTables= array($divideGet[2]);
 		}
 		$resultRows = array();