diff --git a/dll/win32/ws2_32/misc/async.c b/dll/win32/ws2_32/misc/async.c
index a130e7a4847..d8d3701790d 100644
--- a/dll/win32/ws2_32/misc/async.c
+++ b/dll/win32/ws2_32/misc/async.c
@@ -34,7 +34,6 @@
  */
 
 #include <windows.h>
-#include <winsock.h>
 
 #define WS_FD_SETSIZE FD_SETSIZE
 #define HAVE_GETPROTOBYNAME
diff --git a/dll/win32/ws2_32/ws2_32.rbuild b/dll/win32/ws2_32/ws2_32.rbuild
index f23493b027e..912b339566f 100644
--- a/dll/win32/ws2_32/ws2_32.rbuild
+++ b/dll/win32/ws2_32/ws2_32.rbuild
@@ -3,6 +3,7 @@
 	<include base="ws2_32">include</include>
 	<include base="ReactOS">include/reactos/wine</include>
 	<define name="LE" />
+	<define name="WINSOCK_API_LINKAGE">DECLSPEC_EXPORT</define>
 	<library>wine</library>
 	<library>ntdll</library>
 	<library>user32</library>
diff --git a/drivers/wmi/wmilib.c b/drivers/wmi/wmilib.c
index 69938ac12a3..c6cec4aad73 100644
--- a/drivers/wmi/wmilib.c
+++ b/drivers/wmi/wmilib.c
@@ -34,7 +34,7 @@ WmiCompleteRequest(IN PDEVICE_OBJECT DeviceObject,
 NTSTATUS
 NTAPI
 WmiFireEvent(IN PDEVICE_OBJECT DeviceObject,
-             IN LPGUID Guid,
+             IN LPCGUID Guid,
              IN ULONG InstanceIndex,
              IN ULONG EventDataSize,
              IN PVOID EventData)