diff --git a/navalplanner-webapp/src/main/webapp/planner/css/ganttzk.css b/navalplanner-webapp/src/main/webapp/planner/css/ganttzk.css
index 9c20d3e07..eb988b2c7 100644
--- a/navalplanner-webapp/src/main/webapp/planner/css/ganttzk.css
+++ b/navalplanner-webapp/src/main/webapp/planner/css/ganttzk.css
@@ -183,12 +183,12 @@
     z-index:0;
 }
 
-#listdependencies .end,
-#listdependencies .start {
+#ganttpanel .end,
+#ganttpanel .start {
      height: 1px;
 }
 
-#listdependencies .mid {
+#ganttpanel .mid {
     width: 1px;
 }