diff --git a/configure.ac b/configure.ac
index 4d52659..0e124a3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -111,8 +111,10 @@
     [AC_DEFINE_UNQUOTED([SOFTOFF_OBJPATH], ["$SOFTOFF_OBJPATH"], [The SoftPowerOff Dbus root])]
 
     # Timeouts in SECONDS for SoftPowerOff protocol
-    [AC_ARG_VAR(IPMI_SMS_ATN_ACK_TIMEOUT_SECS, [Initial timeout for host to ack SMS_ATN from BMC])]
-    [AC_DEFINE_UNQUOTED([IPMI_SMS_ATN_ACK_TIMEOUT_SECS], [3], [Initial timeout for host to ack SMS_ATN from BMC])]
+    [AC_ARG_VAR(IPMI_SMS_ATN_ACK_TIMEOUT_SECS, \
+         [Initial timeout for host to ack and query SMS_ATN from BMC])]
+    [AC_DEFINE_UNQUOTED([IPMI_SMS_ATN_ACK_TIMEOUT_SECS], [30], \
+                        [Timeout for host to ack and query SMS_ATN from BMC])]
 
     [AC_ARG_VAR(IPMI_HOST_SHUTDOWN_COMPLETE_TIMEOUT_SECS, [Wait time for host to shutdown])]
     [AC_DEFINE_UNQUOTED([IPMI_HOST_SHUTDOWN_COMPLETE_TIMEOUT_SECS], [45*60], [Wait time for host to shutdown])]