diff --git a/src/graphics/material.cpp b/src/graphics/material.cpp
index ea87c6af3..4473292f6 100644
--- a/src/graphics/material.cpp
+++ b/src/graphics/material.cpp
@@ -91,7 +91,7 @@ Material::Material(const XMLNode *node, int index)
     
     node->get("transparency",     &m_alpha_testing     );
     node->get("lightmap",         &m_lightmap          );
-    node->get("additive_lightmap",&m_additive_lightmap );
+    node->get("additive-lightmap",&m_additive_lightmap );
     
     std::string s;
     node->get("adjust-image",     &s                   );