5 files changed, 6 insertions, 0 deletions
diff --git a/src/openvic-simulation/map/Crime.cpp b/src/openvic-simulation/map/Crime.cpp
index fb521ad..532be9d 100644
--- a/src/openvic-simulation/map/Crime.cpp
+++ b/src/openvic-simulation/map/Crime.cpp
@@ -1,5 +1,7 @@
 #include "Crime.hpp"
 
+#include "openvic-simulation/modifier/ModifierManager.hpp"
+
 using namespace OpenVic;
 using namespace OpenVic::NodeTools;
 
diff --git a/src/openvic-simulation/map/MapDefinition.cpp b/src/openvic-simulation/map/MapDefinition.cpp
index 828a679..50fba7d 100644
--- a/src/openvic-simulation/map/MapDefinition.cpp
+++ b/src/openvic-simulation/map/MapDefinition.cpp
@@ -3,6 +3,7 @@
 #include <cstdint>
 #include <vector>
 
+#include "openvic-simulation/modifier/ModifierManager.hpp"
 #include "openvic-simulation/types/Colour.hpp"
 #include "openvic-simulation/types/OrderedContainers.hpp"
 #include "openvic-simulation/types/Vector.hpp"
diff --git a/src/openvic-simulation/map/ProvinceInstance.cpp b/src/openvic-simulation/map/ProvinceInstance.cpp
index 949a2a3..57a33a4 100644
--- a/src/openvic-simulation/map/ProvinceInstance.cpp
+++ b/src/openvic-simulation/map/ProvinceInstance.cpp
@@ -8,6 +8,7 @@
 #include "openvic-simulation/map/TerrainType.hpp"
 #include "openvic-simulation/military/UnitInstanceGroup.hpp"
 #include "openvic-simulation/misc/Define.hpp"
+#include "openvic-simulation/modifier/StaticModifierCache.hpp"
 #include "openvic-simulation/politics/Ideology.hpp"
 
 using namespace OpenVic;
diff --git a/src/openvic-simulation/map/ProvinceInstance.hpp b/src/openvic-simulation/map/ProvinceInstance.hpp
index 91e8ee1..e7c0326 100644
--- a/src/openvic-simulation/map/ProvinceInstance.hpp
+++ b/src/openvic-simulation/map/ProvinceInstance.hpp
@@ -22,6 +22,7 @@ namespace OpenVic {
 	struct Ideology;
 	struct Culture;
 	struct Religion;
+	struct StaticModifierCache;
 	struct BuildingTypeManager;
 	struct ProvinceHistoryEntry;
 	struct IssueManager;
diff --git a/src/openvic-simulation/map/TerrainType.cpp b/src/openvic-simulation/map/TerrainType.cpp
index b4cc430..2f8423d 100644
--- a/src/openvic-simulation/map/TerrainType.cpp
+++ b/src/openvic-simulation/map/TerrainType.cpp
@@ -1,5 +1,6 @@
 #include "TerrainType.hpp"
 
+#include "openvic-simulation/modifier/ModifierManager.hpp"
 #include "openvic-simulation/types/Colour.hpp"
 
 using namespace OpenVic;