diff --git a/mod/data/field/checkbox/field.class.php b/mod/data/field/checkbox/field.class.php
index df673e83041..bb6fe86a2f4 100755
--- a/mod/data/field/checkbox/field.class.php
+++ b/mod/data/field/checkbox/field.class.php
@@ -79,7 +79,7 @@ class data_field_checkbox extends data_field_base {
         foreach (explode("\n",$this->field->param1) as $checkbox) {
             $checkbox = trim($checkbox);
 
-            if (in_array(addslashes($checkbox), $content)) {
+            if (in_array($checkbox, $content)) {
                 $str .= html_writer::checkbox('f_'.$this->field->id.'[]', s($checkbox), true, $checkbox);
             } else {
                 $str .= html_writer::checkbox('f_'.$this->field->id.'[]', s($checkbox), false, $checkbox);