diff --git a/crates/tests/fixtures/files/raw_call.fe b/crates/tests/fixtures/files/raw_call.fe
index 2c9d702b2e..31d31430c9 100644
--- a/crates/tests/fixtures/files/raw_call.fe
+++ b/crates/tests/fixtures/files/raw_call.fe
@@ -1,15 +1,21 @@
 use std::buf::{
     RawCallBuffer,
     MemoryBufferReader, 
-    MemoryBufferWriter
+    MemoryBufferWriter,
+    MemoryBuffer
 }
 use std::evm
 
 contract Foo {
     pub unsafe fn __call__() {
         if evm::call_data_load(offset: 0) == 42 {
-            evm::mstore(offset: 0, value: 26)
-            evm::return_mem(offset: 0, len: 32)
+            //evm::mstore(offset: 0, value: 26)
+            let mut buf:MemoryBuffer = MemoryBuffer::new(
+                len:32
+            )
+            let mut writer: MemoryBufferWriter = buf.writer()
+            writer.write(value: 26)
+            evm::return_mem(buf)
         } else if evm::call_data_load(offset: 0) == 26 {
             revert
         }
@@ -28,7 +34,6 @@ fn test_raw_call(mut ctx: Context) {
 
     writer.write(value: 42)
     assert ctx.raw_call(addr: address(foo), value: 0, buf)
-    
     let mut reader: MemoryBufferReader = buf.reader()
     assert reader.read_u256() == 26