diff --git a/enginecustom/shadermanagerclass.cpp b/enginecustom/shadermanagerclass.cpp
index c469c17..4aed5f6 100644
--- a/enginecustom/shadermanagerclass.cpp
+++ b/enginecustom/shadermanagerclass.cpp
@@ -98,7 +98,7 @@ bool ShaderManagerClass::RenderTextureShader(ID3D11DeviceContext* deviceContext,
 
 
 bool ShaderManagerClass::RenderLightShader(ID3D11DeviceContext* deviceContext, int indexCount, XMMATRIX worldMatrix, XMMATRIX viewMatrix, XMMATRIX projectionMatrix,
-    ID3D11ShaderResourceView* texture, XMFLOAT4 lightDirection, XMFLOAT4 diffuseColor)
+    ID3D11ShaderResourceView* texture, XMFLOAT3 lightDirection, XMFLOAT4 diffuseColor)
 {
     bool result;