diff --git a/src/tun_windows.c b/src/tun_windows.c
index bbf3d91c..48fc0f27 100644
--- a/src/tun_windows.c
+++ b/src/tun_windows.c
@@ -11,19 +11,19 @@
 #include <iphlpapi.h>
 #include <ws2tcpip.h>
 
-// Wintun function pointers (using function pointer syntax)
+// Wintun function pointers (wintun.h defines types as functions, need pointer syntax)
 static HMODULE wintun_dll = NULL;
-static WINTUN_CREATE_ADAPTER_FUNC WintunCreateAdapter = NULL;
-static WINTUN_CLOSE_ADAPTER_FUNC WintunCloseAdapter = NULL;
-static WINTUN_OPEN_ADAPTER_FUNC WintunOpenAdapter = NULL;
-static WINTUN_GET_ADAPTER_LUID_FUNC WintunGetAdapterLUID = NULL;
-static WINTUN_START_SESSION_FUNC WintunStartSession = NULL;
-static WINTUN_END_SESSION_FUNC WintunEndSession = NULL;
-static WINTUN_GET_READ_WAIT_EVENT_FUNC WintunGetReadWaitEvent = NULL;
-static WINTUN_RECEIVE_PACKET_FUNC WintunReceivePacket = NULL;
-static WINTUN_RELEASE_RECEIVE_PACKET_FUNC WintunReleaseReceivePacket = NULL;
-static WINTUN_ALLOCATE_SEND_PACKET_FUNC WintunAllocateSendPacket = NULL;
-static WINTUN_SEND_PACKET_FUNC WintunSendPacket = NULL;
+static WINTUN_CREATE_ADAPTER_FUNC *WintunCreateAdapter = NULL;
+static WINTUN_CLOSE_ADAPTER_FUNC *WintunCloseAdapter = NULL;
+static WINTUN_OPEN_ADAPTER_FUNC *WintunOpenAdapter = NULL;
+static WINTUN_GET_ADAPTER_LUID_FUNC *WintunGetAdapterLUID = NULL;
+static WINTUN_START_SESSION_FUNC *WintunStartSession = NULL;
+static WINTUN_END_SESSION_FUNC *WintunEndSession = NULL;
+static WINTUN_GET_READ_WAIT_EVENT_FUNC *WintunGetReadWaitEvent = NULL;
+static WINTUN_RECEIVE_PACKET_FUNC *WintunReceivePacket = NULL;
+static WINTUN_RELEASE_RECEIVE_PACKET_FUNC *WintunReleaseReceivePacket = NULL;
+static WINTUN_ALLOCATE_SEND_PACKET_FUNC *WintunAllocateSendPacket = NULL;
+static WINTUN_SEND_PACKET_FUNC *WintunSendPacket = NULL;
 
 // Load Wintun.dll and resolve function pointers
 static int wintun_load_dll(void) {
@@ -68,18 +68,18 @@ static int wintun_load_dll(void) {
         return -1;
     }
 
-    // Resolve function pointers
-    WintunCreateAdapter = (WINTUN_CREATE_ADAPTER_FUNC)GetProcAddress(wintun_dll, "WintunCreateAdapter");
-    WintunCloseAdapter = (WINTUN_CLOSE_ADAPTER_FUNC)GetProcAddress(wintun_dll, "WintunCloseAdapter");
-    WintunOpenAdapter = (WINTUN_OPEN_ADAPTER_FUNC)GetProcAddress(wintun_dll, "WintunOpenAdapter");
-    WintunGetAdapterLUID = (WINTUN_GET_ADAPTER_LUID_FUNC)GetProcAddress(wintun_dll, "WintunGetAdapterLUID");
-    WintunStartSession = (WINTUN_START_SESSION_FUNC)GetProcAddress(wintun_dll, "WintunStartSession");
-    WintunEndSession = (WINTUN_END_SESSION_FUNC)GetProcAddress(wintun_dll, "WintunEndSession");
-    WintunGetReadWaitEvent = (WINTUN_GET_READ_WAIT_EVENT_FUNC)GetProcAddress(wintun_dll, "WintunGetReadWaitEvent");
-    WintunReceivePacket = (WINTUN_RECEIVE_PACKET_FUNC)GetProcAddress(wintun_dll, "WintunReceivePacket");
-    WintunReleaseReceivePacket = (WINTUN_RELEASE_RECEIVE_PACKET_FUNC)GetProcAddress(wintun_dll, "WintunReleaseReceivePacket");
-    WintunAllocateSendPacket = (WINTUN_ALLOCATE_SEND_PACKET_FUNC)GetProcAddress(wintun_dll, "WintunAllocateSendPacket");
-    WintunSendPacket = (WINTUN_SEND_PACKET_FUNC)GetProcAddress(wintun_dll, "WintunSendPacket");
+    // Resolve function pointers (cast to void* first to avoid errors)
+    WintunCreateAdapter = (WINTUN_CREATE_ADAPTER_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunCreateAdapter");
+    WintunCloseAdapter = (WINTUN_CLOSE_ADAPTER_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunCloseAdapter");
+    WintunOpenAdapter = (WINTUN_OPEN_ADAPTER_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunOpenAdapter");
+    WintunGetAdapterLUID = (WINTUN_GET_ADAPTER_LUID_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunGetAdapterLUID");
+    WintunStartSession = (WINTUN_START_SESSION_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunStartSession");
+    WintunEndSession = (WINTUN_END_SESSION_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunEndSession");
+    WintunGetReadWaitEvent = (WINTUN_GET_READ_WAIT_EVENT_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunGetReadWaitEvent");
+    WintunReceivePacket = (WINTUN_RECEIVE_PACKET_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunReceivePacket");
+    WintunReleaseReceivePacket = (WINTUN_RELEASE_RECEIVE_PACKET_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunReleaseReceivePacket");
+    WintunAllocateSendPacket = (WINTUN_ALLOCATE_SEND_PACKET_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunAllocateSendPacket");
+    WintunSendPacket = (WINTUN_SEND_PACKET_FUNC *)(void *)GetProcAddress(wintun_dll, "WintunSendPacket");
 
     // Check that all functions were resolved
     if (!WintunCreateAdapter || !WintunCloseAdapter || !WintunOpenAdapter ||