3 files changed, 3 insertions, 3 deletions
diff --git a/src/ai/api/ai_industry.cpp b/src/ai/api/ai_industry.cpp
index 5b7766fa2..005311e19 100644
--- a/src/ai/api/ai_industry.cpp
+++ b/src/ai/api/ai_industry.cpp
@@ -13,7 +13,7 @@
 
 /* static */ int32 AIIndustry::GetIndustryCount()
 {
-	return ::GetNumIndustries();
+	return (int32)::Industry::GetNumItems();
 }
 
 /* static */ bool AIIndustry::IsValidIndustry(IndustryID industry_id)
diff --git a/src/ai/api/ai_sign.cpp b/src/ai/api/ai_sign.cpp
index 63bce8fdf..dd164c6ca 100644
--- a/src/ai/api/ai_sign.cpp
+++ b/src/ai/api/ai_sign.cpp
@@ -15,7 +15,7 @@
 
 /* static */ SignID AISign::GetMaxSignID()
 {
-	return ::Sign::GetPoolSize() - 1;
+	return (SignID)::Sign::GetNumItems();
 }
 
 /* static */ bool AISign::IsValidSign(SignID sign_id)
diff --git a/src/ai/api/ai_town.cpp b/src/ai/api/ai_town.cpp
index e49c1a36a..cd75996f9 100644
--- a/src/ai/api/ai_town.cpp
+++ b/src/ai/api/ai_town.cpp
@@ -16,7 +16,7 @@
 
 /* static */ int32 AITown::GetTownCount()
 {
-	return ::GetNumTowns();
+	return (int32)::Town::GetNumItems();
 }
 
 /* static */ bool AITown::IsValidTown(TownID town_id)