diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/public/css/openbis.css b/openbis/source/java/ch/systemsx/cisd/openbis/public/css/openbis.css
index e68d16d4f40305937b53ea344d3e9b5a4819afb4..54d743302c23d156171e417122e838a0764cfafd 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/public/css/openbis.css
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/public/css/openbis.css
@@ -223,7 +223,7 @@ body,div,td {
 }
 
 .x-form-trigger-add {
-    background-image: url(../images/generate-trigger.gif) !important;
+    background-image: url(../images/trigger-plus.png) !important;
     cursor: pointer;
 }
 
diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/public/images/trigger-plus.png b/openbis/source/java/ch/systemsx/cisd/openbis/public/images/trigger-plus.png
new file mode 100644
index 0000000000000000000000000000000000000000..0f25d2a1ba310c7da6d0e844c73e003e9e97eb98
Binary files /dev/null and b/openbis/source/java/ch/systemsx/cisd/openbis/public/images/trigger-plus.png differ