diff --git a/src/libnm-platform/nm-linux-platform.c b/src/libnm-platform/nm-linux-platform.c
index 9a629a8194..e7f773cd8a 100644
--- a/src/libnm-platform/nm-linux-platform.c
+++ b/src/libnm-platform/nm-linux-platform.c
@@ -9747,7 +9747,7 @@ constructed(GObject *_object)
 
     /*************************************************************************/
 
-    nle = nl_socket_new(&priv->sk_genl_sync, NETLINK_GENERIC, TRUE);
+    nle = nl_socket_new(&priv->sk_genl_sync, NETLINK_GENERIC, TRUE, 0, 0);
     g_assert(!nle);
 
     _LOGD("genl: generic netlink socket for sync operations created: port=%u, fd=%d",
@@ -9756,15 +9756,12 @@ constructed(GObject *_object)
 
     /*************************************************************************/
 
-    nle = nl_socket_new(&priv->sk_rtnl, NETLINK_ROUTE, FALSE);
+    nle = nl_socket_new(&priv->sk_rtnl, NETLINK_ROUTE, FALSE, 8 * 1024 * 1024, 0);
     g_assert(!nle);
 
     nle = nl_socket_set_passcred(priv->sk_rtnl, 1);
     g_assert(!nle);
 
-    nle = nl_socket_set_buffer_size(priv->sk_rtnl, 8 * 1024 * 1024, 0);
-    g_assert(!nle);
-
     /* explicitly set the msg buffer size and disable MSG_PEEK.
      * We use our own receive buffer priv->netlink_recv_buf.
      * If we encounter NME_NL_MSG_TRUNC, we will increase the buffer
diff --git a/src/libnm-platform/nm-netlink.c b/src/libnm-platform/nm-netlink.c
index f1918df63b..1760628d2e 100644
--- a/src/libnm-platform/nm-netlink.c
+++ b/src/libnm-platform/nm-netlink.c
@@ -1051,7 +1051,7 @@ nl_socket_disable_msg_peek(struct nl_sock *sk)
 /*****************************************************************************/
 
 int
-nl_socket_new(struct nl_sock **out_sk, int protocol, bool blocking)
+nl_socket_new(struct nl_sock **out_sk, int protocol, bool blocking, int bufsize_rx, int bufsize_tx)
 {
     nm_auto_nlsock struct nl_sock *sk = NULL;
     nm_auto_close int              fd = -1;
@@ -1088,7 +1088,7 @@ nl_socket_new(struct nl_sock **out_sk, int protocol, bool blocking)
         .s_seq_next   = t,
     };
 
-    nmerr = nl_socket_set_buffer_size(sk, 0, 0);
+    nmerr = nl_socket_set_buffer_size(sk, bufsize_rx, bufsize_tx);
     if (nmerr < 0)
         return nmerr;
 
diff --git a/src/libnm-platform/nm-netlink.h b/src/libnm-platform/nm-netlink.h
index f9082c99f1..08fd63bfcb 100644
--- a/src/libnm-platform/nm-netlink.h
+++ b/src/libnm-platform/nm-netlink.h
@@ -489,7 +489,8 @@ nlmsg_put(struct nl_msg *n, uint32_t pid, uint32_t seq, int type, int payload, i
 
 struct nl_sock;
 
-int nl_socket_new(struct nl_sock **out_sk, int protocol, bool blocking);
+int
+nl_socket_new(struct nl_sock **out_sk, int protocol, bool blocking, int bufsize_rx, int bufsize_tx);
 
 void nl_socket_free(struct nl_sock *sk);