diff --git a/include/crm/msg_xml.h b/include/crm/msg_xml.h
index d0cdf6cd3d0..af3f33e883e 100644
--- a/include/crm/msg_xml.h
+++ b/include/crm/msg_xml.h
@@ -348,6 +348,7 @@ extern "C" {
 #  define XML_CONFIG_ATTR_FENCE_REACTION	"fence-reaction"
 #  define XML_CONFIG_ATTR_SHUTDOWN_LOCK         "shutdown-lock"
 #  define XML_CONFIG_ATTR_SHUTDOWN_LOCK_LIMIT   "shutdown-lock-limit"
+#  define XML_CONFIG_ATTR_PRIORITY_FENCING_DELAY "priority-fencing-delay"
 
 #  define XML_ALERT_ATTR_PATH		"path"
 #  define XML_ALERT_ATTR_TIMEOUT	"timeout"
diff --git a/lib/pengine/common.c b/lib/pengine/common.c
index b2b0f770761..106f3de21dd 100644
--- a/lib/pengine/common.c
+++ b/lib/pengine/common.c
@@ -158,6 +158,21 @@ static pcmk__cluster_option_t pe_opts[] = {
         "Setting this to false may lead to a \"split-brain\" situation,"
             "potentially leading to data loss and/or service unavailability."
     },
+    {
+        XML_CONFIG_ATTR_PRIORITY_FENCING_DELAY, NULL, "time", NULL,
+        NULL, pcmk__valid_interval_spec,
+        "Enforced fencing delay targeting the lost nodes with the highest total resource priority",
+        "Enforce specified delay for the fencings that are targeting the lost "
+            "nodes with the highest total resource priority in case we don't "
+            "have the majority of the nodes in our cluster partition, so that "
+            "the more significant nodes potentially win any fencing match, "
+            "which is especially meaningful under split-brain of 2-node "
+            "cluster. If all the nodes have equal priority, then any "
+            "pcmk_delay_base/max configured for the corresponding fencing "
+            "resources will be applied. Otherwise as long as it's set, even if "
+            "to 0, it takes precedence over any configured pcmk_delay_base/max."
+            "By default, priority fencing delay is disabled."
+    },
 
     {
         "cluster-delay", NULL, "time", NULL,