diff --git a/src/util/virnodesuspend.c b/src/util/virnodesuspend.c
index 71beb3d7a1666671337c5b98ff464097e467aec1..91dfdf6355d0b188da034c599ea3b58e4980a4d0 100644
--- a/src/util/virnodesuspend.c
+++ b/src/util/virnodesuspend.c
@@ -90,7 +90,7 @@ static int virNodeSuspendSetNodeWakeup(unsigned long long alarmTime)
     virCommandPtr setAlarmCmd;
     int ret = -1;
 
-    if (alarmTime <= MIN_TIME_REQ_FOR_SUSPEND) {
+    if (alarmTime < MIN_TIME_REQ_FOR_SUSPEND) {
         virReportError(VIR_ERR_INVALID_ARG, "%s", _("Suspend duration is too short"));
         return -1;
     }
diff --git a/tools/virsh-host.c b/tools/virsh-host.c
index 52e8252ad20490b36c6d751a259bd9d9b9278019..98d9e62d7489123c917cc26a6657780d1f6340e0 100644
--- a/tools/virsh-host.c
+++ b/tools/virsh-host.c
@@ -465,7 +465,7 @@ static const vshCmdInfo info_nodesuspend[] = {
 static const vshCmdOptDef opts_node_suspend[] = {
     {"target", VSH_OT_DATA, VSH_OFLAG_REQ, N_("mem(Suspend-to-RAM), "
                                                "disk(Suspend-to-Disk), hybrid(Hybrid-Suspend)")},
-    {"duration", VSH_OT_INT, VSH_OFLAG_REQ, N_("Suspend duration in seconds")},
+    {"duration", VSH_OT_INT, VSH_OFLAG_REQ, N_("Suspend duration in seconds, at least 60")},
     {"flags", VSH_OT_INT, VSH_OFLAG_NONE, N_("Suspend flags, 0 for default")},
     {NULL, 0, 0, NULL}
 };
diff --git a/tools/virsh.pod b/tools/virsh.pod
index fa98e3546312a8fe214cf42ada58cc3a13935413..35613c4c45e0ea876bcbb559c9ec93af49312a21 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -289,7 +289,8 @@ If I<cell> is specified, this will prints specified cell statistics only.
 Puts the node (host machine) into a system-wide sleep state such as
 Suspend-to-RAM, Suspend-to-Disk or Hybrid-Suspend and sets up a
 Real-Time-Clock interrupt to fire (to wake up the node) after a time delay
-specified by the 'duration' parameter.
+specified by the 'duration' parameter. The duration time should be
+at least 60 seconds.
 
 =item B<capabilities>