diff --git a/iperf3/patches/remove-in6_flowlabel_req.patch b/iperf3/patches/remove-in6_flowlabel_req.patch
index 3d2be694f..539f9c3c8 100644
--- a/iperf3/patches/remove-in6_flowlabel_req.patch
+++ b/iperf3/patches/remove-in6_flowlabel_req.patch
@@ -1,24 +1,25 @@
 --- a/src/flowlabel.h	2021-06-24 13:26:33.142463630 +0200
 +++ b/src/flowlabel.h	2021-06-24 13:27:45.669235179 +0200
-@@ -37,21 +37,6 @@
+@@ -37,21 +37,21 @@
     conflicts with "netinet/in.h" .
  */
  
 -#ifndef __ANDROID__
--struct in6_flowlabel_req
--{
--    struct in6_addr flr_dst;
--    __u32   flr_label;
--    __u8    flr_action;
--    __u8    flr_share;
--    __u16   flr_flags;
--    __u16   flr_expires;
--    __u16   flr_linger;
--    __u32   __flr_pad;
--    /* Options in format of IPV6_PKTOPTIONS */
--};
--#endif
--
++#ifndef _LINUX_IN6_H
+ struct in6_flowlabel_req
+ {
+     struct in6_addr flr_dst;
+     __u32   flr_label;
+     __u8    flr_action;
+     __u8    flr_share;
+     __u16   flr_flags;
+     __u16   flr_expires;
+     __u16   flr_linger;
+     __u32   __flr_pad;
+     /* Options in format of IPV6_PKTOPTIONS */
+ };
+ #endif
+ 
  #define IPV6_FL_A_GET           0
  #define IPV6_FL_A_PUT           1
  #define IPV6_FL_A_RENEW         2