diff --git a/source/renderer/TerrainOverlay.cpp b/source/renderer/TerrainOverlay.cpp
index 0418490959..c37d78202a 100644
--- a/source/renderer/TerrainOverlay.cpp
+++ b/source/renderer/TerrainOverlay.cpp
@@ -342,8 +342,8 @@ void TerrainOverlay::RenderTileOutline(
 
 //////////////////////////////////////////////////////////////////////////
 
-TerrainTextureOverlay::TerrainTextureOverlay(float texelsPerTile, int priority) :
-	ITerrainOverlay(priority), m_TexelsPerTile(texelsPerTile)
+TerrainTextureOverlay::TerrainTextureOverlay(float texelsPerTile) :
+	ITerrainOverlay(100), m_TexelsPerTile(texelsPerTile)
 {
 }
 
diff --git a/source/renderer/TerrainOverlay.h b/source/renderer/TerrainOverlay.h
index e32ece1255..333e971d0c 100644
--- a/source/renderer/TerrainOverlay.h
+++ b/source/renderer/TerrainOverlay.h
@@ -200,7 +200,7 @@ private:
 class TerrainTextureOverlay : public ITerrainOverlay
 {
 public:
-	TerrainTextureOverlay(float texelsPerTile, int priority = 100);
+	TerrainTextureOverlay(float texelsPerTile);
 
 	~TerrainTextureOverlay() override;