--- a/wpa_supplicant/functions.sh
+++ b/wpa_supplicant/functions.sh
@@ -847,9 +847,10 @@ wpa_hysteresis_check () {
                local TIME
                local TIMESTAMP
                local TIMEWAIT
+               local TIMEDELTA=10
                TIME=$(date +%s)
-               # current time minus 4 second event buffer
-               TIMEWAIT=$(($TIME-4))
+               # current time minus TIMEDELTA second event buffer
+               TIMEWAIT=$((TIME-TIMEDELTA))
                # get time of last event
                TIMESTAMP=$(cat $WPA_CLI_TIMESTAMP)
                # compare values, allowing new action to be processed