diff --git a/content/student/studentdetailoverlay.xul.php b/content/student/studentdetailoverlay.xul.php
index 2f9b6d866..0d12e294f 100644
--- a/content/student/studentdetailoverlay.xul.php
+++ b/content/student/studentdetailoverlay.xul.php
@@ -334,7 +334,7 @@ echo '<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>';
 									</template>
 								</menulist>
 							
-								<button id="student-prestudent-button-reihungstest-refresh" image="../skin/images/refresh.png" tooltiptext="Liste neu laden" onclick="StudentReihungstestDropDownRefresh()"/>
+								<toolbarbutton id="student-prestudent-button-reihungstest-refresh" image="../skin/images/refresh.png" tooltiptext="Liste neu laden" onclick="StudentReihungstestDropDownRefresh()"/>
 								
 							</hbox>
     					</row>
diff --git a/content/student/studentprojektarbeitoverlay.xul.php b/content/student/studentprojektarbeitoverlay.xul.php
index c97a98b0d..69afba6fd 100644
--- a/content/student/studentprojektarbeitoverlay.xul.php
+++ b/content/student/studentprojektarbeitoverlay.xul.php
@@ -197,17 +197,20 @@ echo '<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>';
 						</row>
 						<row>
 							<label value="Firma" control="student-projektarbeit-menulist-firma"/>
-							<menulist id="student-projektarbeit-menulist-firma" disabled="true"
-							          datasources="<?php echo APP_ROOT ?>rdf/firma.rdf.php?optional=true" flex="1"
-							          ref="http://www.technikum-wien.at/firma/liste" >
-								<template>
-									<menupopup>
-										<menuitem value="rdf:http://www.technikum-wien.at/firma/rdf#firma_id"
-							        		      label="rdf:http://www.technikum-wien.at/firma/rdf#name"
-										  		  uri="rdf:*"/>
-										</menupopup>
-								</template>
-							</menulist>
+							<hbox>
+								<menulist id="student-projektarbeit-menulist-firma" disabled="true"
+								          datasources="<?php echo APP_ROOT ?>rdf/firma.rdf.php?optional=true" flex="1"
+								          ref="http://www.technikum-wien.at/firma/liste" >
+									<template>
+										<menupopup>
+											<menuitem value="rdf:http://www.technikum-wien.at/firma/rdf#firma_id"
+								        		      label="rdf:http://www.technikum-wien.at/firma/rdf#name"
+											  		  uri="rdf:*"/>
+											</menupopup>
+									</template>
+								</menulist>
+								<toolbarbutton id="student-projektarbeit-button-firma-refresh" image="../skin/images/refresh.png" tooltiptext="Liste neu laden" onclick="StudentProjektarbeitFirmaRefresh()"/>
+							</hbox>
 						</row>
 						<row>
 							<label value="Lehrveranstaltung" control="student-projektarbeit-menulist-lehrveranstaltung"/>