diff --git a/ApplicationCode/Commands/SummaryPlotCommands/RicNewGridTimeHistoryCurveFeature.cpp b/ApplicationCode/Commands/SummaryPlotCommands/RicNewGridTimeHistoryCurveFeature.cpp
index 788aba473b..f588f5a4d6 100644
--- a/ApplicationCode/Commands/SummaryPlotCommands/RicNewGridTimeHistoryCurveFeature.cpp
+++ b/ApplicationCode/Commands/SummaryPlotCommands/RicNewGridTimeHistoryCurveFeature.cpp
@@ -216,6 +216,15 @@ bool RicNewGridTimeHistoryCurveFeature::isCommandEnabled()
 
     if (items.size() > 0)
     {
+        const RiuEclipseSelectionItem* eclSelectionItem = dynamic_cast<const RiuEclipseSelectionItem*>(items[0]);
+        if (eclSelectionItem)
+        {
+            if (eclSelectionItem->m_view->cellResult()->resultType() == RimDefines::FLOW_DIAGNOSTICS)
+            {
+                return false;
+            }
+        }
+
         return true;
     }