diff --git a/src/ObjLoading/Game/IW3/LightDef/LightDefAssetCreationStateIW3.cpp b/src/ObjLoading/Game/IW3/LightDef/LightDefAssetCreationStateIW3.cpp
index 112144fd..7838e9ed 100644
--- a/src/ObjLoading/Game/IW3/LightDef/LightDefAssetCreationStateIW3.cpp
+++ b/src/ObjLoading/Game/IW3/LightDef/LightDefAssetCreationStateIW3.cpp
@@ -4,6 +4,11 @@
 
 using namespace IW3;
 
+namespace
+{
+    constexpr auto MAX_LMAP_USAGE = 512;
+};
+
 LightDefAssetCreationState::LightDefAssetCreationState()
     : m_lmap_pixels_used_for_falloff(0)
 {
diff --git a/src/ObjLoading/Game/IW3/LightDef/LightDefAssetCreationStateIW3.h b/src/ObjLoading/Game/IW3/LightDef/LightDefAssetCreationStateIW3.h
index 2cf65c70..57e5d55a 100644
--- a/src/ObjLoading/Game/IW3/LightDef/LightDefAssetCreationStateIW3.h
+++ b/src/ObjLoading/Game/IW3/LightDef/LightDefAssetCreationStateIW3.h
@@ -6,8 +6,6 @@
 
 namespace IW3
 {
-    constexpr auto MAX_LMAP_USAGE = 512;
-
     class LightDefAssetCreationState : public IZoneAssetCreationState
     {
     public: