diff --git a/src/libnm-client-impl/libnm.ver b/src/libnm-client-impl/libnm.ver
index bfcf7f399e..c77dbecfeb 100644
--- a/src/libnm-client-impl/libnm.ver
+++ b/src/libnm-client-impl/libnm.ver
@@ -2009,6 +2009,11 @@ global:
 	nm_setting_wireless_get_channel_width;
 } libnm_1_48_0;
 
+libnm_1_50_4 {
+	#nm_ethtool_optname_is_fec@libnm_1_50_4;
+	#nm_setting_ethtool_fec_mode_get_type@libnm_1_50_4;
+} libnm_1_50_0;
+
 libnm_1_52_0 {
 global:
 	nm_device_ipvlan_get_mode;
diff --git a/src/libnm-client-impl/nm-client.c b/src/libnm-client-impl/nm-client.c
index d2097b44fb..ee99d7e231 100644
--- a/src/libnm-client-impl/nm-client.c
+++ b/src/libnm-client-impl/nm-client.c
@@ -59,6 +59,7 @@
 #include "nm-object-private.h"
 #include "nm-remote-connection.h"
 #include "nm-utils.h"
+#include "nm-setting-ethtool.h"
 #include "nm-vpn-connection.h"
 
 /*****************************************************************************/
@@ -9314,3 +9315,11 @@ NM_BACKPORT_SYMBOL(libnm_1_30_8,
                    (address));
 
 NM_BACKPORT_SYMBOL(libnm_1_30_8, NMIPRoute *, nm_ip_route_dup, (NMIPRoute * route), (route));
+
+NM_BACKPORT_SYMBOL(libnm_1_50_4,
+                   gboolean,
+                   nm_ethtool_optname_is_fec,
+                   (const char *optname),
+                   (optname));
+
+NM_BACKPORT_SYMBOL(libnm_1_50_4, GType, nm_setting_ethtool_fec_mode_get_type, (void), ());