diff --git a/test_suite/scripts/modules/71_lib_wait.sh b/test_suite/scripts/modules/71_lib_wait.sh
index f02d97b0..ae737a6c 100644
--- a/test_suite/scripts/modules/71_lib_wait.sh
+++ b/test_suite/scripts/modules/71_lib_wait.sh
@@ -263,6 +263,8 @@ function lib_wait_for_secondary_to_become_uptodate_and_cmp_cksums
                                 "net_throughput"
     lib_vmsg "  ${FUNCNAME[0]} called from ${FUNCNAME[1]}: apply time: $time_waited"
 
+    lib_linktree_check_equality_and_correctness_of_replay_links $primary_host \
+                                                    $secondary_host $res
 
     for role in "primary" "secondary"; do
         eval host='$'${role}_host
diff --git a/test_suite/scripts/modules/81_lib_linktree.sh b/test_suite/scripts/modules/81_lib_linktree.sh
index ab5a18aa..7e6f636c 100644
--- a/test_suite/scripts/modules/81_lib_linktree.sh
+++ b/test_suite/scripts/modules/81_lib_linktree.sh
@@ -179,3 +179,25 @@ function lib_linktree_get_next_logfile
 }
 
 
+function lib_linktree_check_equality_and_correctness_of_replay_links
+{
+    [ $# -eq 3 ] || lib_exit 1 "wrong number $# of arguments (args = $*)"
+    local primary_host=$1 secondary_host=$2 res=$3
+    local host link link_val link_val_primary link_val_secondary h
+    lib_vmsg "  checking equality of replay links"
+    for h in primary secondary; do
+        eval host='$'$h'_host'
+        link="$(lib_linktree_get_res_host_linkname $host $res "replay")" || lib_exit 1
+        link_val="$(lib_remote_idfile $host "readlink $link")" || lib_exit 1
+        if [ -z "$link_val" ]; then
+            lib_exit 1 "  value of replay link $link on $host is empty"
+        fi
+        if ! expr "$link_val" : ".*-$primary_host,.*" >/dev/null; then
+            lib_exit 1 "  value of replay link $link on $host does not contain primary_host $primary_host"
+        fi
+        eval link_val_$h="$link_val"
+    done
+    if [ "$link_val_primary" != "$link_val_secondary" ]; then
+        lib_exit 1 "different replay link values: $primary_host: $link_val_primary, $secondary_host: $link_val_secondary"
+    fi
+}