diff --git a/LEGO1/viewmanager/viewroi.cpp b/LEGO1/viewmanager/viewroi.cpp
index a84f7b6e..626fe311 100644
--- a/LEGO1/viewmanager/viewroi.cpp
+++ b/LEGO1/viewmanager/viewroi.cpp
@@ -78,9 +78,9 @@ void ViewROI::VTable0x1c()
 }
 
 // FUNCTION: LEGO1 0x100aa500
-unsigned char ViewROI::SetLightSupport(unsigned char p_flag)
+unsigned char ViewROI::SetLightSupport(unsigned char p_lightSupport)
 {
 	unsigned char oldFlag = g_lightSupport;
-	g_lightSupport = p_flag;
+	g_lightSupport = p_lightSupport;
 	return oldFlag;
 }
diff --git a/LEGO1/viewmanager/viewroi.h b/LEGO1/viewmanager/viewroi.h
index d8df5ab5..a6d2da11 100644
--- a/LEGO1/viewmanager/viewroi.h
+++ b/LEGO1/viewmanager/viewroi.h
@@ -59,7 +59,7 @@ class ViewROI : public OrientableROI {
 	int GetUnknown0xe0() { return m_unk0xe0; }
 	void SetUnknown0xe0(int p_unk0xe0) { m_unk0xe0 = p_unk0xe0; }
 
-	static unsigned char SetLightSupport(unsigned char p_flag);
+	static unsigned char SetLightSupport(unsigned char p_lightSupport);
 
 protected:
 	void UpdateWorldData(const Matrix4& parent2world) override; // vtable+0x28