diff --git a/src/EFCore/Metadata/Internal/InternalForeignKeyBuilder.cs b/src/EFCore/Metadata/Internal/InternalForeignKeyBuilder.cs
index 3da2fdeeaf0..b27dd1c66ec 100644
--- a/src/EFCore/Metadata/Internal/InternalForeignKeyBuilder.cs
+++ b/src/EFCore/Metadata/Internal/InternalForeignKeyBuilder.cs
@@ -973,6 +973,12 @@ private static bool IsCompatible(
                 Metadata.DeclaringEntityType.Model.ScopedModelDependencies?.Logger.AmbiguousEndRequiredWarning(Metadata);
             }
 
+            if (AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue26611", out var enabled) && enabled)
+            {
+                Metadata.SetIsRequired(required, configurationSource);
+                return this;
+            }
+
             IConventionForeignKey? foreignKey = Metadata;
             var result = Metadata.DeclaringEntityType.Model.ConventionDispatcher.Track(
                 () => Metadata.SetIsRequired(required, configurationSource), ref foreignKey);