diff --git a/doc/configuration.txt b/doc/configuration.txt
index dbbf19ea1..f524dda3b 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -17733,6 +17733,17 @@ table may be specified with the "sc*" form, in which case the currently
 tracked key will be looked up into this alternate table instead of the table
 currently being tracked.
 
+bc_conn_err : integer
+  Returns the ID of the error that might have occurred on the current backend
+  connection. See the "fc_conn_err_str" fetch for a full list of error codes
+  and their corresponding error message.
+
+bc_conn_err_str : string
+  Returns an error message describing what problem happened on the current
+  backend connection, resulting in a connection failure. See the
+  "fc_conn_err_str" fetch for a full list of error codes and their
+  corresponding error message.
+
 bc_dst : ip
   This is the destination ip address of the connection on the server side,
   which is the server address HAProxy connected to. It is of type IP and works
diff --git a/src/connection.c b/src/connection.c
index 09c91a542..f85cae956 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -1503,7 +1503,12 @@ int smp_fetch_fc_conn_err(const struct arg *args, struct sample *smp, const char
 {
 	struct connection *conn;
 
-	conn = objt_conn(smp->sess->origin);
+	if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+                conn = (kw[0] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
+        else
+                conn = (kw[0] != 'b') ? objt_conn(smp->sess->origin) :
+			smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
+
 	if (!conn)
 		return 0;
 
@@ -1525,7 +1530,12 @@ int smp_fetch_fc_conn_err_str(const struct arg *args, struct sample *smp, const
 	struct connection *conn;
 	const char *err_code_str;
 
-	conn = objt_conn(smp->sess->origin);
+	if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+                conn = (kw[0] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
+        else
+                conn = (kw[0] != 'b') ? objt_conn(smp->sess->origin) :
+			smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
+
 	if (!conn)
 		return 0;
 
@@ -1560,6 +1570,8 @@ static struct sample_fetch_kw_list sample_fetch_keywords = {ILH, {
 	{ "fc_pp_unique_id", smp_fetch_fc_pp_unique_id, 0, NULL, SMP_T_STR, SMP_USE_L4CLI },
 	{ "fc_conn_err", smp_fetch_fc_conn_err, 0, NULL, SMP_T_SINT, SMP_USE_L4CLI },
 	{ "fc_conn_err_str", smp_fetch_fc_conn_err_str, 0, NULL, SMP_T_STR, SMP_USE_L4CLI },
+	{ "bc_conn_err", smp_fetch_fc_conn_err, 0, NULL, SMP_T_SINT, SMP_USE_L4SRV },
+	{ "bc_conn_err_str", smp_fetch_fc_conn_err_str, 0, NULL, SMP_T_STR, SMP_USE_L4SRV },
 	{ /* END */ },
 }};