Index: class.tx_rtehtmlarea_base.php
===================================================================
--- class.tx_rtehtmlarea_base.php	(Revision 260)
+++ class.tx_rtehtmlarea_base.php	(Arbeitskopie)
@@ -505,7 +505,7 @@
 				}
 				
 					// Set the use of personal dictionary
-				$this->spellCheckerPersonalDicts = $this->thisConfig['enablePersonalDicts'] ? (isset($BE_USER->userTS['options.']['enablePersonalDicts']) ? true : false) : false;
+				$this->spellCheckerPersonalDicts = $this->thisConfig['enablePersonalDicts'] ? (intval($BE_USER->userTS['options.']['enablePersonalDicts']) ? true : false) : false;
 				if (ini_get('safe_mode')) {
 					$this->spellCheckerPersonalDicts = false;
 				}