diff --git a/src/main/webapp/css/custom.css b/src/main/webapp/css/custom.css
index 6d2a941..79974ea 100644
--- a/src/main/webapp/css/custom.css
+++ b/src/main/webapp/css/custom.css
@@ -306,10 +306,10 @@ footer {
 			background-color: $dockbarGradientStart;
 
 			@include background-image(linear-gradient($dockbarGradientStart 0%, $dockbarGradientStart 47%, $dockbarGradientEnd 100%));
-			background: $dockbarGradientStart url(@theme_image_path@/custom/d4science_32x32.png) no-repeat 50% 50%; 
+			background: $dockbarGradientStart url(@theme_image_path@/custom/sphere-32px.png) no-repeat 50% 50%; 
 			
 			@include respond-to(phone) {
-				background: $dockbarGradientStart url(@theme_image_path@/custom/d4science_32x32.png) no-repeat 90% 50%; 
+				background: $dockbarGradientStart url(@theme_image_path@/custom/sphere-32px.png) no-repeat 90% 50%; 
 			}