diff --git a/src/main/kotlin/com/android/trisolarisserver/controller/BookingFlow.kt b/src/main/kotlin/com/android/trisolarisserver/controller/BookingFlow.kt
index af9254e..36c4845 100644
--- a/src/main/kotlin/com/android/trisolarisserver/controller/BookingFlow.kt
+++ b/src/main/kotlin/com/android/trisolarisserver/controller/BookingFlow.kt
@@ -88,7 +88,7 @@ class BookingFlow(
         } else {
             null
         }
-        val totalGuestCount = if (hasGuestCounts) {
+        val totalGuestCount = if (hasGuestCounts && adultCount!=null) {
             adultCount + (request.childCount ?: 0)
         } else {
             null