diff --git a/test/EFCore.Relational.Specification.Tests/Query/NullSemanticsQueryTestBase.cs b/test/EFCore.Relational.Specification.Tests/Query/NullSemanticsQueryTestBase.cs
index 6ce93abfd78..53e80173c62 100644
--- a/test/EFCore.Relational.Specification.Tests/Query/NullSemanticsQueryTestBase.cs
+++ b/test/EFCore.Relational.Specification.Tests/Query/NullSemanticsQueryTestBase.cs
@@ -753,7 +753,7 @@ public virtual Task Where_equal_with_conditional(bool async)
             ss => ss.Set<NullSemanticsEntity1>().Where(
                 e => (e.NullableStringA == e.NullableStringB
                         ? e.NullableStringA
-                        : e.NullableStringB)
+                        : e.NullableStringC)
                     == e.NullableStringC).Select(e => e.Id));
 
     [ConditionalTheory]
@@ -765,7 +765,7 @@ public virtual Task Where_not_equal_with_conditional(bool async)
                 e => e.NullableStringC
                     != (e.NullableStringA == e.NullableStringB
                         ? e.NullableStringA
-                        : e.NullableStringB)).Select(e => e.Id));
+                        : e.NullableStringC)).Select(e => e.Id));
 
     [ConditionalTheory]
     [MemberData(nameof(IsAsyncData))]
diff --git a/test/EFCore.SqlServer.FunctionalTests/Query/NullSemanticsQuerySqlServerTest.cs b/test/EFCore.SqlServer.FunctionalTests/Query/NullSemanticsQuerySqlServerTest.cs
index 1de199a3c46..77494e237a0 100644
--- a/test/EFCore.SqlServer.FunctionalTests/Query/NullSemanticsQuerySqlServerTest.cs
+++ b/test/EFCore.SqlServer.FunctionalTests/Query/NullSemanticsQuerySqlServerTest.cs
@@ -2205,7 +2205,13 @@ public override async Task Where_equal_with_conditional(bool async)
             """
 SELECT [e].[Id]
 FROM [Entities1] AS [e]
-WHERE [e].[NullableStringB] = [e].[NullableStringC] OR ([e].[NullableStringB] IS NULL AND [e].[NullableStringC] IS NULL)
+WHERE CASE
+    WHEN [e].[NullableStringA] = [e].[NullableStringB] OR ([e].[NullableStringA] IS NULL AND [e].[NullableStringB] IS NULL) THEN [e].[NullableStringA]
+    ELSE [e].[NullableStringC]
+END = [e].[NullableStringC] OR (CASE
+    WHEN [e].[NullableStringA] = [e].[NullableStringB] OR ([e].[NullableStringA] IS NULL AND [e].[NullableStringB] IS NULL) THEN [e].[NullableStringA]
+    ELSE [e].[NullableStringC]
+END IS NULL AND [e].[NullableStringC] IS NULL)
 """);
     }
 
@@ -2217,7 +2223,16 @@ public override async Task Where_not_equal_with_conditional(bool async)
             """
 SELECT [e].[Id]
 FROM [Entities1] AS [e]
-WHERE ([e].[NullableStringC] <> [e].[NullableStringB] OR [e].[NullableStringC] IS NULL OR [e].[NullableStringB] IS NULL) AND ([e].[NullableStringC] IS NOT NULL OR [e].[NullableStringB] IS NOT NULL)
+WHERE ([e].[NullableStringC] <> CASE
+    WHEN [e].[NullableStringA] = [e].[NullableStringB] OR ([e].[NullableStringA] IS NULL AND [e].[NullableStringB] IS NULL) THEN [e].[NullableStringA]
+    ELSE [e].[NullableStringC]
+END OR [e].[NullableStringC] IS NULL OR CASE
+    WHEN [e].[NullableStringA] = [e].[NullableStringB] OR ([e].[NullableStringA] IS NULL AND [e].[NullableStringB] IS NULL) THEN [e].[NullableStringA]
+    ELSE [e].[NullableStringC]
+END IS NULL) AND ([e].[NullableStringC] IS NOT NULL OR CASE
+    WHEN [e].[NullableStringA] = [e].[NullableStringB] OR ([e].[NullableStringA] IS NULL AND [e].[NullableStringB] IS NULL) THEN [e].[NullableStringA]
+    ELSE [e].[NullableStringC]
+END IS NOT NULL)
 """);
     }