diff --git a/src/rendering/terrain/ter_presets.c b/src/rendering/terrain/ter_presets.c
index 4fd52e0..dac81d3 100644
--- a/src/rendering/terrain/ter_presets.c
+++ b/src/rendering/terrain/ter_presets.c
@@ -26,5 +26,7 @@ void terrainAutoPreset(TerrainDefinition* definition, TerrainPreset preset)
         ;
     }
 
+    terrainClearPainting(definition->height_map);
+
     TerrainDefinitionClass.validate(definition);
 }