diff --git a/advanced/Scripts/webpage.sh b/advanced/Scripts/webpage.sh
index 2689b7f449..f08cd3b537 100755
--- a/advanced/Scripts/webpage.sh
+++ b/advanced/Scripts/webpage.sh
@@ -595,8 +595,7 @@ generate_systemd_calendar() {
 }
 
 generate_cron_schedule() {
-    local interval_hours="$1"
-    local total_seconds=$(echo "$interval_hours * 3600" | bc)
+    local total_seconds=$(echo "$1 * 3600" | bc)
     local schedule_script="/opt/pihole/speedtestmod/schedule_check.sh"
 
     if (( $(echo "$total_seconds < 60" | bc -l) )) && (( $(echo "$total_seconds > 0" | bc -l) )); then
@@ -606,7 +605,7 @@ generate_cron_schedule() {
 
     if [[ ! "$total_seconds" =~ ^-?([0-9]+(\.[0-9]*)?|\.[0-9]+)$ ]]; then
         total_seconds="nan"
-    else
+    elif (( $(echo "$total_seconds > 0" | bc -l) )); then
         remainder=$(echo "$total_seconds % 60" | bc)
         if [ $(echo "$remainder < 30" | bc) -eq 1 ]; then
             total_seconds=$(echo "$total_seconds - $remainder" | bc)