diff --git a/tss-esapi/src/context/general_esys_tr.rs b/tss-esapi/src/context/general_esys_tr.rs
index f87b9d45..ad1835b1 100644
--- a/tss-esapi/src/context/general_esys_tr.rs
+++ b/tss-esapi/src/context/general_esys_tr.rs
@@ -405,7 +405,7 @@ impl Context {
         )?;
         unsafe {
             let data = std::slice::from_raw_parts(&buffer, len.try_into().unwrap());
-            result.extend_from_slice(data);
+            result.extend_from_slice(*data);
             // free buffer
             Context::ffi_data_to_owned(buffer);
         };