diff --git a/src/tests/JIT/HardwareIntrinsics/Arm/Shared/SveLoadVectorFirstFaultingTest.template b/src/tests/JIT/HardwareIntrinsics/Arm/Shared/SveLoadVectorFirstFaultingTest.template
index 0ccd8e65e8244b..7d01cf9ae99f24 100644
--- a/src/tests/JIT/HardwareIntrinsics/Arm/Shared/SveLoadVectorFirstFaultingTest.template
+++ b/src/tests/JIT/HardwareIntrinsics/Arm/Shared/SveLoadVectorFirstFaultingTest.template
@@ -302,8 +302,8 @@ namespace JIT.HardwareIntrinsics.Arm
             {Op2BaseType}[] inArray = new {Op2BaseType}[RetElementCount];
             {RetBaseType}[] outArray = new {RetBaseType}[RetElementCount];
 
-            Unsafe.CopyBlockUnaligned(ref Unsafe.As<{Op2BaseType}, byte>(ref inArray[0]), ref Unsafe.AsRef<byte>(firstOp), (uint)Unsafe.SizeOf<{RetVectorType}<{Op2BaseType}>>());
-            Unsafe.CopyBlockUnaligned(ref Unsafe.As<{RetBaseType}, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<{RetVectorType}<{RetBaseType}>>());
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<{Op2BaseType}, byte>(ref inArray[0]), ref Unsafe.AsRef<byte>(firstOp), (uint)(sizeof({Op2BaseType}) * RetElementCount));
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<{RetBaseType}, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)(sizeof({RetBaseType}) * RetElementCount));
 
             ValidateResult(inArray, outArray, method);
         }
diff --git a/src/tests/JIT/HardwareIntrinsics/Arm/Shared/SveLoadVectorMaskedTest.template b/src/tests/JIT/HardwareIntrinsics/Arm/Shared/SveLoadVectorMaskedTest.template
index 8bf32aa3ef4e54..6bec8d9481000a 100644
--- a/src/tests/JIT/HardwareIntrinsics/Arm/Shared/SveLoadVectorMaskedTest.template
+++ b/src/tests/JIT/HardwareIntrinsics/Arm/Shared/SveLoadVectorMaskedTest.template
@@ -263,8 +263,8 @@ namespace JIT.HardwareIntrinsics.Arm
             {RetBaseType}[] outArray = new {RetBaseType}[RetElementCount];
 
             Unsafe.WriteUnaligned(ref Unsafe.As<{Op1BaseType}, byte>(ref maskArray[0]), firstOp);
-            Unsafe.CopyBlockUnaligned(ref Unsafe.As<{Op2BaseType}, byte>(ref inArray[0]), ref Unsafe.AsRef<byte>(secondOp), (uint)Unsafe.SizeOf<{RetVectorType}<{Op2BaseType}>>());
-            Unsafe.CopyBlockUnaligned(ref Unsafe.As<{RetBaseType}, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<{RetVectorType}<{RetBaseType}>>());
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<{Op2BaseType}, byte>(ref inArray[0]), ref Unsafe.AsRef<byte>(secondOp), (uint)(sizeof({Op2BaseType}) * Op2ElementCount));
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<{RetBaseType}, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)(sizeof({RetBaseType}) * RetElementCount));
 
             ValidateResult(maskArray, inArray, outArray, method);
         }