diff --git a/Modules/_remote_debugging/threads.c b/Modules/_remote_debugging/threads.c
index 953c8a383f0..f564e3a7256 100644
--- a/Modules/_remote_debugging/threads.c
+++ b/Modules/_remote_debugging/threads.c
@@ -405,7 +405,8 @@ unwind_stack_for_thread(
             goto error;
         }
         // Update last_profiled_frame for next sample
-        uintptr_t lpf_addr = *current_tstate + unwinder->debug_offsets.thread_state.last_profiled_frame;
+        uintptr_t lpf_addr =
+            *current_tstate + (uintptr_t)unwinder->debug_offsets.thread_state.last_profiled_frame;
         if (_Py_RemoteDebug_WriteRemoteMemory(&unwinder->handle, lpf_addr,
                                               sizeof(uintptr_t), &frame_addr) < 0) {
             PyErr_Clear();  // Non-fatal