diff --git a/build.py b/build.py
index 076fa2a..0d0447d 100755
--- a/build.py
+++ b/build.py
@@ -261,4 +261,4 @@ if args.test:
     if target == 'linux':
         compile([args.test, cia_lib, crt_lib], 'a', '-pie')
     elif target == 'windows':
-        compile([args.test, cia_lib, crt_lib], 'a', '-lkernel32.lib')
+        compile([args.test, cia_lib, crt_lib], 'a.exe', '-lkernel32.lib')
diff --git a/src/impl/cia-mem/pool.c b/src/impl/cia-mem/pool.c
index 8194d7d..c67c12b 100644
--- a/src/impl/cia-mem/pool.c
+++ b/src/impl/cia-mem/pool.c
@@ -1,12 +1,11 @@
 
-static void *_pool_buffer_freelist_add(Cia_Pool *pool, u8 *buffer) {
+static void _pool_buffer_freelist_add(Cia_Pool *pool, u8 *buffer) {
     Cia_Pool_Buffer_Header *header = (Cia_Pool_Buffer_Header *)buffer;
     u64 header_size = sizeof(Cia_Pool_Buffer_Header);
     u64 header_size_aligned = cia_size_alignf(header_size, pool->alignment);
     u8 *buckets = buffer + header_size_aligned;
     u64 remaining_size = pool->buffer_size - header_size_aligned;
     u64 buckets_count = remaining_size / pool->bucket_size;
-    header->free_buckets_count = buckets_count;
     u64 buckets_size = buckets_count * pool->bucket_size;
     // Initialize every bucket as free
     u64 bucket_offset = header_size_aligned + buckets_size;
diff --git a/src/impl/stdlib-file/file.c b/src/impl/stdlib-file/file.c
index 43ecb85..351bbb9 100644
--- a/src/impl/stdlib-file/file.c
+++ b/src/impl/stdlib-file/file.c
@@ -8,9 +8,9 @@ static Cia_Pool _file_pool;
 
 static void _fileapi_init() {
     cia_pool_create(&_file_pool, cia_allocator_pages(), 0x1000, sizeof(FILE), 16);
-    FILE *stdin = cia_pool_alloc(&_file_pool);
-    FILE *stdout = cia_pool_alloc(&_file_pool);
-    FILE *stderr = cia_pool_alloc(&_file_pool);
+    stdin = cia_pool_alloc(&_file_pool);
+    stdout = cia_pool_alloc(&_file_pool);
+    stderr = cia_pool_alloc(&_file_pool);
     _rt_file_std_handles_init();
     stdin->rt_file = _rt_file_stdin;
     stdout->rt_file = _rt_file_stdout;
diff --git a/src/windows/tinyrt.c b/src/windows/tinyrt.c
index 2b57d33..d58cf65 100644
--- a/src/windows/tinyrt.c
+++ b/src/windows/tinyrt.c
@@ -83,7 +83,7 @@ static _RT_Status _rt_mem_alloc(void *optional_desired_addr, u64 min_size, void
     return _RT_STATUS_OK;
 }
 
-static _RT_Status _rt_mem_free(void *addr) {
+static _RT_Status _rt_mem_free(void *addr, u64 size) {
     BOOL ok = VirtualFree(addr, 0, MEM_RELEASE);
     if(!ok) {
         return _RT_ERROR_GENERIC;