diff --git a/src/strings/dstr/dstr.h b/src/strings/dstr/dstr.h
index 541c8c4..a8c9eff 100644
--- a/src/strings/dstr/dstr.h
+++ b/src/strings/dstr/dstr.h
@@ -3,6 +3,8 @@
 
 #include "aliases.h"
 #include "mem_arena.h"
+#include "misc_utils.h"
+#include "platform.h"
 #include <stdbool.h>
 
 #ifdef __cplusplus
@@ -13,8 +15,12 @@ typedef struct dstr String;
 
 typedef struct string_update StringUpdate;
 struct string_update {
-  bool updated;
   String *str;
+  bool updated;
+
+#ifdef WAPP_PLATFORM_WINDOWS
+  wapp_misc_utils_padding_size(sizeof(bool) + sizeof(String *));
+#endif // WAPP_PLATFORM_WINDOWS
 };
 
 String *wapp_dstr_with_capacity(u64 capacity, Arena *arena);