diff --git a/Runtime/AutoMapper/CMapWorldInfo.cpp b/Runtime/AutoMapper/CMapWorldInfo.cpp
index be80faa51..b30647c18 100644
--- a/Runtime/AutoMapper/CMapWorldInfo.cpp
+++ b/Runtime/AutoMapper/CMapWorldInfo.cpp
@@ -54,7 +54,7 @@ void CMapWorldInfo::SetDoorVisited(TEditorId eid, bool visited) { x28_visitedDoo
 bool CMapWorldInfo::IsDoorVisited(TEditorId eid) const { return x28_visitedDoors.find(eid) != x28_visitedDoors.end(); }
 
 bool CMapWorldInfo::IsAreaVisted(TAreaId aid) const {
-  if (aid + 1 > x0_visitedAreasAllocated) {
+  if (u32(aid) + 1 > x0_visitedAreasAllocated) {
     const_cast<CMapWorldInfo&>(*this).x4_visitedAreas.resize((aid + 32) / 32);
     const_cast<CMapWorldInfo&>(*this).x0_visitedAreasAllocated = aid + 1;
   }
@@ -62,7 +62,7 @@ bool CMapWorldInfo::IsAreaVisted(TAreaId aid) const {
 }
 
 void CMapWorldInfo::SetAreaVisited(TAreaId aid, bool visited) {
-  if (aid + 1 > x0_visitedAreasAllocated) {
+  if (u32(aid) + 1 > x0_visitedAreasAllocated) {
     x4_visitedAreas.resize((aid + 32) / 32);
     x0_visitedAreasAllocated = aid + 1;
   }
@@ -73,7 +73,7 @@ void CMapWorldInfo::SetAreaVisited(TAreaId aid, bool visited) {
 }
 
 bool CMapWorldInfo::IsMapped(TAreaId aid) const {
-  if (aid + 1 > x14_mappedAreasAllocated) {
+  if (u32(aid) + 1 > x14_mappedAreasAllocated) {
     const_cast<CMapWorldInfo&>(*this).x18_mappedAreas.resize((aid + 32) / 32);
     const_cast<CMapWorldInfo&>(*this).x14_mappedAreasAllocated = aid + 1;
   }
@@ -81,7 +81,7 @@ bool CMapWorldInfo::IsMapped(TAreaId aid) const {
 }
 
 void CMapWorldInfo::SetIsMapped(TAreaId aid, bool mapped) {
-  if (aid + 1 > x14_mappedAreasAllocated) {
+  if (u32(aid) + 1 > x14_mappedAreasAllocated) {
     x18_mappedAreas.resize((aid + 32) / 32);
     x14_mappedAreasAllocated = aid + 1;
   }