diff --git a/src/common/util.c b/src/common/util.c
index 13f1b1e075..1b0603a469 100644
--- a/src/common/util.c
+++ b/src/common/util.c
@@ -4014,7 +4014,7 @@ tor_process_handle_destroy(process_handle_t *process_handle,
     fclose(process_handle->stderr_handle);
 #endif
 
-  memwipe(process_handle, 0x0f, sizeof(process_handle_t));
+  memset(process_handle, 0x0f, sizeof(process_handle_t));
   tor_free(process_handle);
 }