diff --git a/src/service/disinfection_ctl_service.cpp b/src/service/disinfection_ctl_service.cpp
index 33dabda..835d473 100644
--- a/src/service/disinfection_ctl_service.cpp
+++ b/src/service/disinfection_ctl_service.cpp
@@ -211,7 +211,7 @@ void DisinfectionCtrlService::startReplenishingFluids(int stopatg) {
         break;
       }
 
-      if (nowvolume > 4500) {
+      if (nowvolume > 5000) {
         logger->warn("replenishingFluids reach full level {}g", nowvolume);
         break;
       }