Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Read/HydraulicLocationEntityReadExtensions.cs
===================================================================
diff -u -r0981b22c56801334d3f71343f1a861070a404e3e -r79927347e137e7cf0f0889f8fd2b1a97e3a6f8e3
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Read/HydraulicLocationEntityReadExtensions.cs	(.../HydraulicLocationEntityReadExtensions.cs)	(revision 0981b22c56801334d3f71343f1a861070a404e3e)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Read/HydraulicLocationEntityReadExtensions.cs	(.../HydraulicLocationEntityReadExtensions.cs)	(revision 79927347e137e7cf0f0889f8fd2b1a97e3a6f8e3)
@@ -38,11 +38,16 @@
         /// <param name="entity">The <see cref="HydraulicLocationEntity"/> to create <see cref="HydraulicBoundaryLocation"/> for.</param>
         /// <param name="collector">The object keeping track of read operations.</param>
         /// <returns>A new <see cref="HydraulicBoundaryLocation"/>.</returns>
+        /// <exception cref="ArgumentNullException">Thrown when any input parameter is <c>null</c>.</exception>
         internal static HydraulicBoundaryLocation Read(this HydraulicLocationEntity entity, ReadConversionCollector collector)
         {
+            if (entity == null)
+            {
+                throw new ArgumentNullException(nameof(entity));
+            }
             if (collector == null)
             {
-                throw new ArgumentNullException("collector");
+                throw new ArgumentNullException(nameof(collector));
             }
             if (collector.Contains(entity))
             {