diff --git a/crates/napi/src/bindgen_runtime/js_values/arraybuffer.rs b/crates/napi/src/bindgen_runtime/js_values/arraybuffer.rs
index d3bdde48..ba57e3ca 100644
--- a/crates/napi/src/bindgen_runtime/js_values/arraybuffer.rs
+++ b/crates/napi/src/bindgen_runtime/js_values/arraybuffer.rs
@@ -405,7 +405,7 @@ macro_rules! impl_typed_array {
                   &mut arraybuffer_value,
                 )
               };
-              unsafe { std::ptr::copy(hint.data.cast(), underlying_data, length) };
+              unsafe { std::ptr::copy_nonoverlapping(hint.data.cast(), underlying_data, length) };
               status
             } else {
               status
diff --git a/crates/napi/src/env.rs b/crates/napi/src/env.rs
index 92bbdc9b..352d2235 100644
--- a/crates/napi/src/env.rs
+++ b/crates/napi/src/env.rs
@@ -461,7 +461,7 @@ impl Env {
           let mut underlying_data = ptr::null_mut();
           let status =
             sys::napi_create_arraybuffer(self.0, length, &mut underlying_data, &mut raw_value);
-          ptr::swap(underlying_data.cast(), data_ptr);
+          ptr::copy_nonoverlapping(underlying_data.cast(), data_ptr, length);
           status
         } else {
           status
@@ -476,7 +476,7 @@ impl Env {
         value: raw_value,
         value_type: ValueType::Object,
       }),
-      data_ptr as *mut c_void,
+      data_ptr.cast(),
       length,
     ))
   }