diff --git a/src/Nazara/Shader/LangWriter.cpp b/src/Nazara/Shader/LangWriter.cpp
index 13031737b..a0e5eed6f 100644
--- a/src/Nazara/Shader/LangWriter.cpp
+++ b/src/Nazara/Shader/LangWriter.cpp
@@ -747,7 +747,7 @@ namespace Nz
 				break;
 		}
 
-		Append(node.expression);
+		node.expression->Visit(*this);
 	}
 
 	void LangWriter::AppendHeader()