Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsGridSettingsProperties.cs
===================================================================
diff -u -r5c77968df3d50b52ec1285c1305f00833fd40a79 -rbf0a7527d0942c4646c9b6b9c49d21b58346431c
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsGridSettingsProperties.cs	(.../MacroStabilityInwardsGridSettingsProperties.cs)	(revision 5c77968df3d50b52ec1285c1305f00833fd40a79)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsGridSettingsProperties.cs	(.../MacroStabilityInwardsGridSettingsProperties.cs)	(revision bf0a7527d0942c4646c9b6b9c49d21b58346431c)
@@ -160,7 +160,7 @@
         {
             get
             {
-                return new MacroStabilityInwardsGridProperties(data.LeftGrid, propertyChangeHandler);
+                return new MacroStabilityInwardsGridProperties(data.LeftGrid, propertyChangeHandler, AreGridSettingsReadOnly());
             }
         }
 
@@ -173,13 +173,18 @@
         {
             get
             {
-                return new MacroStabilityInwardsGridProperties(data.RightGrid, propertyChangeHandler);
+                return new MacroStabilityInwardsGridProperties(data.RightGrid, propertyChangeHandler, AreGridSettingsReadOnly());
             }
         }
 
         public override string ToString()
         {
             return string.Empty;
         }
+
+        private bool AreGridSettingsReadOnly()
+        {
+            return data.GridDetermination == MacroStabilityInwardsGridDetermination.Automatic;
+        }
     }
 }
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