1 files changed, 2 insertions, 2 deletions
diff --git a/tests/src/Interop/MarshalAPI/Copy/CopySingleArray.cs b/tests/src/Interop/MarshalAPI/Copy/CopySingleArray.cs
index c4e4d75bc1..0d3f4a8590 100644
--- a/tests/src/Interop/MarshalAPI/Copy/CopySingleArray.cs
+++ b/tests/src/Interop/MarshalAPI/Copy/CopySingleArray.cs
@@ -91,7 +91,7 @@ public class CopySingleArrayTest
 
     private void OutOfRangeTests()
     {
-        int sizeOfArray = Marshal.SizeOf(TestArray[0]) * TestArray.Length;
+        int sizeOfArray = sizeof(float) * TestArray.Length;
 
         IntPtr ptr = Marshal.AllocCoTaskMem(sizeOfArray);
 
@@ -144,7 +144,7 @@ public class CopySingleArrayTest
 
     private void CopyRoundTripTests()
     {
-        int sizeOfArray = Marshal.SizeOf(TestArray[0]) * TestArray.Length;
+        int sizeOfArray = sizeof(float) * TestArray.Length;
 
         IntPtr ptr = Marshal.AllocCoTaskMem(sizeOfArray);