diff --git a/src/messenger/compute_resources.pl b/src/messenger/compute_resources.pl
index 15db18bf..495015b7 100755
--- a/src/messenger/compute_resources.pl
+++ b/src/messenger/compute_resources.pl
@@ -58,7 +58,7 @@
 	["libs/demothread.php", 2],
 
 	["webim/thread.php", 0],
-	["webim/button.php", 0],
+	["webim/b.php", 0],
 	["webim/index.php", 0],
 
 	["webim/libs/.*\\.php", 1],
diff --git a/src/messenger/webim/button.php b/src/messenger/webim/b.php
similarity index 100%
rename from src/messenger/webim/button.php
rename to src/messenger/webim/b.php
diff --git a/src/messenger/webim/operator/getcode.php b/src/messenger/webim/operator/getcode.php
index e2185c4c..245e708b 100644
--- a/src/messenger/webim/operator/getcode.php
+++ b/src/messenger/webim/operator/getcode.php
@@ -87,7 +87,7 @@ if( !$lang || !in_array($lang,$image_locales) )
 $file = "../locales/${lang}/button/${image}_on.gif";
 $size = get_gifimage_size($file);
 
-$imagehref = get_app_location($showhost,$forcesecure)."/button.php?i=$image&lang=$lang";
+$imagehref = get_app_location($showhost,$forcesecure)."/b.php?i=$image&lang=$lang";
 if($groupid) {
 	$imagehref .= "&group=$groupid";
 }