diff --git a/src/pc/mods/mod_cache.c b/src/pc/mods/mod_cache.c
index 414fb812..e94f6eb4 100644
--- a/src/pc/mods/mod_cache.c
+++ b/src/pc/mods/mod_cache.c
@@ -135,6 +135,7 @@ void mod_cache_save(void) {
     FILE* fp = fopen(filename, "wb");
     if (fp == NULL) {
         LOG_ERROR("Failed to open mod cache save fp: %s", filename);
+        return;
     }
 
     u16 version = MOD_CACHE_VERSION;
@@ -143,7 +144,7 @@ void mod_cache_save(void) {
     struct ModCacheEntry* node = sModCacheHead;
     while (node != NULL) {
         fwrite(node->dataHash, sizeof(u8), 16, fp);
-        fwrite(node->lastLoaded, sizeof(u64), 1, fp);
+        fwrite(&node->lastLoaded, sizeof(u64), 1, fp);
         u16 pathLen = strlen(node->path);
         fwrite(&pathLen, sizeof(u16), 1, fp);
         fwrite(node->path, sizeof(u8), pathLen + 1, fp);
diff --git a/src/pc/network/packets/packet_download.c b/src/pc/network/packets/packet_download.c
index 403907f0..2dcd7a15 100644
--- a/src/pc/network/packets/packet_download.c
+++ b/src/pc/network/packets/packet_download.c
@@ -61,7 +61,7 @@ static void mark_groups_loaded_from_hash(void) {
         if (mod->loadedFromCache) {
             // if we loaded from cache, mark bytes as downloaded
             sTotalDownloadBytes += mod->size;
-            LOG_INFO("Loaded from cache: %s, %llu", mod->name, mod->size);
+            LOG_INFO("Loaded from cache: %s, %llu", mod->name, (u64)mod->size);
         } else {
             // if we haven't loaded from cache, we need this offset group
             u64 ogIndexStart = fileStartOffset / GROUP_SIZE;