diff --git a/src/tests/Loader/classloader/SequentialLayout/ManagedSequential/LargeStructSize_Mono.cs b/src/tests/Loader/classloader/SequentialLayout/ManagedSequential/LargeStructSize_Mono.cs
index f99357a223552..7889b117de7fd 100644
--- a/src/tests/Loader/classloader/SequentialLayout/ManagedSequential/LargeStructSize_Mono.cs
+++ b/src/tests/Loader/classloader/SequentialLayout/ManagedSequential/LargeStructSize_Mono.cs
@@ -55,7 +55,7 @@ struct BigArray_64_1
     {
     }
 
-    [StructLayout(LayoutKind.Sequential, Size = int.MaxValue - 16 - 1)]
+    [StructLayout(LayoutKind.Sequential, Size = int.MaxValue - 16 + 1)]
     struct BigArray_64_2
     {
     }
@@ -65,29 +65,39 @@ struct BigArray_32_1
     {
     }
 
-    [StructLayout(LayoutKind.Sequential, Size = int.MaxValue - 8 - 1)]
+    [StructLayout(LayoutKind.Sequential, Size = int.MaxValue - 8 + 1)]
     struct BigArray_32_2
     {
     }
 
-    [Fact]
-    public static void TestLargeStructSize()
+    public static void Test64Bit ()
     {
-        if (Environment.Is64BitProcess)
-        {
             Assert.Equal(int.MaxValue - (IntPtr.Size * 2), sizeof(BigArray_64_1));
             Assert.Throws<TypeLoadException>(() => sizeof(BigArray_64_2));
             Assert.Throws<TypeLoadException>(() => sizeof(X_64));
             Assert.Throws<TypeLoadException>(() => sizeof(X_explicit_64));
             Assert.Throws<TypeLoadException>(() => sizeof(Y_64));
-        }
-        else
-        {
+    }
+
+    public static void Test32Bit ()
+    {
             Assert.Equal(int.MaxValue - (IntPtr.Size * 2), sizeof(BigArray_32_1));
             Assert.Throws<TypeLoadException>(() => sizeof(BigArray_32_2));
             Assert.Throws<TypeLoadException>(() => sizeof(X_32));
             Assert.Throws<TypeLoadException>(() => sizeof(X_explicit_32));
             Assert.Throws<TypeLoadException>(() => sizeof(Y_32));
+    }
+
+    [Fact]
+    public static void TestLargeStructSize()
+    {
+        if (Environment.Is64BitProcess)
+        {
+            Test64Bit ();
+        }
+        else
+        {
+            Test32Bit ();
         }
     }
 }