diff --git a/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField.cs b/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField.cs
index 0b10a8b11fc9c..327014d806936 100644
--- a/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField.cs
+++ b/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField.cs
@@ -47,5 +47,7 @@ public double FireEvents() {
 
             return Accumulator;
         }
+
+        public DateTime GetDateTime() => default(DateTime);
     }
 }
diff --git a/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField_v1.cs b/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField_v1.cs
index 51768ff26f2a0..04e3fdafda548 100644
--- a/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField_v1.cs
+++ b/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField_v1.cs
@@ -85,6 +85,11 @@ public double FireEvents() {
             return Accumulator;
         }
 
+        public DateTime GetDateTime() => default(DateTime);
+
         public double AddedFirstProp {get => 0.0; set { Console.WriteLine (value); } }
+
+        public DateTime AddedDateTime;
+
     }
 }
diff --git a/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField_v2.cs b/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField_v2.cs
index 87ad6f32526f0..3958f12dc11ec 100644
--- a/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField_v2.cs
+++ b/src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField_v2.cs
@@ -85,7 +85,12 @@ public double FireEvents() {
             return Accumulator;
         }
 
+        public DateTime GetDateTime() => AddedDateTime;
+
         public double AddedFirstProp {get => 0.0; set { Console.WriteLine (value+value); } }
         public short AddedSecondProp {get; set; }
+
+        public DateTime AddedDateTime;
+
     }
 }
diff --git a/src/libraries/System.Runtime.Loader/tests/ApplyUpdateTest.cs b/src/libraries/System.Runtime.Loader/tests/ApplyUpdateTest.cs
index 983f4b0860f4e..6fdf9607f1282 100644
--- a/src/libraries/System.Runtime.Loader/tests/ApplyUpdateTest.cs
+++ b/src/libraries/System.Runtime.Loader/tests/ApplyUpdateTest.cs
@@ -408,6 +408,11 @@ public static void TestAddInstanceField()
 
                 Assert.True ((addedEventToken & 0x00ffffff) < 4);
                 
+                fi = x2.GetType().GetField("AddedDateTime");
+                Assert.NotNull(fi);
+                var dt = DateTime.Now;
+                fi.SetValue(x2, dt);
+                Assert.Equal(dt, fi.GetValue(x2));
 
                 ApplyUpdateUtil.ApplyUpdate(assm);
 
@@ -419,6 +424,8 @@ public static void TestAddInstanceField()
                 var secondPropGetter = addedSecondPropInfo.GetGetMethod();
                 Assert.NotNull (secondPropGetter);
 
+                Assert.Equal(dt, x2.GetDateTime());
+
             });
         }