diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index b183b85b0b3..2dd3cf20752 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -3548,6 +3548,11 @@ int WINAPI WS_setsockopt(SOCKET s, int level, int optname,
         case WS_SO_BROADCAST:
             return server_setsockopt( s, IOCTL_AFD_WINE_SET_SO_BROADCAST, optval, optlen );
 
+        case WS_SO_ERROR:
+            FIXME( "SO_ERROR, stub!\n" );
+            SetLastError( WSAENOPROTOOPT );
+            return -1;
+
         /* Some options need some conversion before they can be sent to
          * setsockopt. The conversions are done here, then they will fall through
          * to the general case. Special options that are not passed to
@@ -3603,7 +3608,6 @@ int WINAPI WS_setsockopt(SOCKET s, int level, int optname,
         /* The options listed here don't need any special handling. Thanks to
          * the conversion happening above, options from there will fall through
          * to this, too.*/
-        case WS_SO_ERROR:
         case WS_SO_KEEPALIVE:
         case WS_SO_OOBINLINE:
         /* BSD socket SO_REUSEADDR is not 100% compatible to winsock semantics.