diff --git a/.gitignore b/.gitignore
index 703f3f5..95f2e5d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 build
 build.bat
 run.bat
+clean.bat
 work
 .vscode
 .ds_store
diff --git a/code/common/entity_view.c b/code/common/entity_view.c
index c710da0..172e7d3 100644
--- a/code/common/entity_view.c
+++ b/code/common/entity_view.c
@@ -15,14 +15,14 @@ pkt_desc pkt_entity_view_desc[] = {
 
 size_t entity_view_pack_struct(void *data, size_t len, entity_view view) {
     cw_pack_context pc = {0};
-    cw_pack_context_init(&pc, data, len, 0);
+    cw_pack_context_init(&pc, data, (unsigned long)len, 0);
     pkt_pack_struct(&pc, pkt_entity_view_desc, PKT_STRUCT_PTR(&view));
     return pc.current - pc.start;
 }
 
 entity_view entity_view_unpack_struct(void *data, size_t len) {
     cw_unpack_context uc = {0};
-    cw_unpack_context_init(&uc, data, len, 0);
+    cw_unpack_context_init(&uc, data, (unsigned long)len, 0);
     
     entity_view view = {0};
     pkt_unpack_struct(&uc, pkt_entity_view_desc, PKT_STRUCT_PTR(&view));