Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs
===================================================================
diff -u -r9f5fa34afb489eb0d46dab724e9d8121a31a04bb -rc0c23a5508146aad6005fc0eb3b78bab7a63dc63
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision 9f5fa34afb489eb0d46dab724e9d8121a31a04bb)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision c0c23a5508146aad6005fc0eb3b78bab7a63dc63)
@@ -219,7 +219,7 @@
                     var calculations = context.WrappedData.GetCalculations().Cast<GrassCoverErosionOutwardsWaveConditionsCalculation>();
                     return new GrassCoverErosionOutwardsWaveConditionsExporter(calculations, filePath);
                 },
-                IsEnabled = context => context.WrappedData.GetCalculations().Cast<GrassCoverErosionOutwardsWaveConditionsCalculation>().Any(c => c.HasOutput),
+                IsEnabled = context => context.WrappedData.GetCalculations().Any(c => c.HasOutput),
                 FileFilter = RingtoetsCommonFormsResources.DataTypeDisplayName_csv_file_filter
             };