diff --git a/lang/en_utf8/data.php b/lang/en_utf8/data.php
index b94cccd..ecc17a5 100644
--- a/lang/en_utf8/data.php
+++ b/lang/en_utf8/data.php
@@ -97,6 +97,7 @@ $string['fieldupdated'] = 'Field updated';
 $string['fieldwidth'] = 'Width';
 $string['fieldwidthlistview'] = 'Width in list view';
 $string['fieldwidthsingleview'] = 'Width in single view';
+$string['fieldmultiselectsize'] = 'Number of items before scrollbar';
 $string['file'] = 'File';
 $string['filesnotgenerated'] = 'Not all files were generated: $a';
 $string['filtername'] = 'Database Auto-linking';
diff --git a/mod/data/field/multimenu/field.class.php b/mod/data/field/multimenu/field.class.php
index 28707e0..32b6333 100755
--- a/mod/data/field/multimenu/field.class.php
+++ b/mod/data/field/multimenu/field.class.php
@@ -41,7 +41,7 @@ class data_field_multimenu extends data_field_base {
         }
 
         $str = '<div title="'.s($this->field->description).'">';
-        $str .= '<select name="field_' . $this->field->id . '[]" id="field_' . $this->field->id . '" multiple="multiple">';
+        $str .= '<select name="field_' . $this->field->id . '[]" id="field_' . $this->field->id . '" multiple="multiple" ' . (($this->field->param2) ? 'size="' . $this->field->param2 . '"' : '') . ' />';
 
         foreach (explode("\n",$this->field->param1) as $option) {
             $option = trim($option);
diff --git a/mod/data/field/multimenu/mod.html b/mod/data/field/multimenu/mod.html
index 6d8bef3..d75aff7 100755
--- a/mod/data/field/multimenu/mod.html
+++ b/mod/data/field/multimenu/mod.html
@@ -8,6 +8,10 @@
         <td class="c1"><input class="fielddescription" type="text" name="description" id="description" value="<?php p($this->field->description); ?>" /></td>
     </tr>
     <tr>
+        <td class="c0"><label for="param2"><?php echo get_string('fieldmultiselectsize', 'data'); ?></label></td>
+        <td class="c1"><input class="fieldmultiselectsize" type="text" name="param2" id="param2" value="<?php p($this->field->param2); ?>" /></td>
+    </tr>
+    <tr>
         <td class="c0" valign="top"><label for="param1"><?php echo get_string('fieldoptions', 'data'); ?></label></td>
         <td class="c1"><textarea style="width:300px; height:150px;" name="param1" id="param1" cols="80" rows="10"><?php if($this->field->param1) {p($this->field->param1);} ?></textarea></td>
     </tr>