diff --git a/htroot/yacy/ui/index.html b/htroot/yacy/ui/index.html
index d754ae8a4..1618b633f 100644
--- a/htroot/yacy/ui/index.html
+++ b/htroot/yacy/ui/index.html
@@ -98,10 +98,11 @@
 						+"&contentdom="+contentdom
 						+"&count="+count
 						+"&offset="+offset
-						+"&constraint="+constraint
-						+"&prefermaskfilter="+prefermaskfilter
-						+"&urlmaskfilter="+urlmaskfilter
-						+"&lr=lang_"+language;
+						+"&urlmaskfilter="+urlmaskfilter;
+					if (constraint!="") { query = query+"&constraint="+constraint; };
+					if (prefermaskfilter!="") { query = query+"&prefermaskfilter="+prefermaskfilter; };					
+					if (language!="") { query = query+"&lr=lang_"+language; };
+					
 					$("input[@name='search']").setValue(search);
 					$("select[@name='itemsPerPage']").setValue(count);
 					$("input[@name='contentdom']").setValue(contentdom);
diff --git a/htroot/yacy/ui/sidebar/sidebar_2.html b/htroot/yacy/ui/sidebar/sidebar_2.html
index 9fdca00cb..297d97e15 100644
--- a/htroot/yacy/ui/sidebar/sidebar_2.html
+++ b/htroot/yacy/ui/sidebar/sidebar_2.html
@@ -82,7 +82,7 @@
 			<label for="constraint">Constraint:</label>
 			<br />
 			<select class="selector" id="constraint" name="constraint">
-				<option value="&nbsp;" selected="selected">all pages</option>
+				<option value="" selected="selected">all pages</option>
 				<option value="AQAAAA" >index pages</option>														
 			</select>			
 			<br />
@@ -93,7 +93,7 @@
 			<br />
 			<label for="prefermaskfilter">Prefer mask:</label>
 			<br />
-			<input class="filter" name="prefermaskfilter" value="&nbsp;" type="text" size="12" maxlength="80" />
+			<input class="filter" name="prefermaskfilter" value="" type="text" size="12" maxlength="80" />
 			<img src="img-2/question_blue.png" class="help" alt="help" title="help" />		
 			</p>
 		</form>