diff --git a/dashboards/dashboard_walberla.py b/dashboards/dashboard_walberla.py
index d75c1ee06bc58888d6ff1617961c4f903306a71f..8914627393a37ae15d26db7ae2d33b59e93dd44f 100644
--- a/dashboards/dashboard_walberla.py
+++ b/dashboards/dashboard_walberla.py
@@ -263,7 +263,7 @@ def dashboard_fslbmgravitywave():
         Filter("host"),
         Filter("project_id", multi=True, default_value='walberla/walberla'),
         Filter("branch", multi=True, default_value='master'),
-        Filter("numMPIProcess"),
+        Filter("numMPIProcesses"),
     ]
 
     fields = [PanelInfos("simulationTime", Units.seconds), ]